Motors Liquidation Co
Motors LiqActive Patents
0
Total Holdings
1390
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0190841A2 | Camshaft assembly and method of manufacture | Expired / Lapsed | 1986-01-20 | — | 12 | Details |
| EP0186984A2 | Hydraulic damper | Expired / Lapsed | 1985-12-06 | — | 6 | Details |
| EP0149338A2 | Windshield wiper transmission | Expired / Lapsed | 1984-12-14 | — | 4 | Details |
| GB1292769A | Vehicle wheel slip limiters | Expired / Lapsed | 1971-06-17 | — | 0 | Details |
| GB1008228A | Remotely-adjustable rear-view mirror assemblies | Expired / Lapsed | 1964-09-03 | — | 0 | Details |
| GB733417A | Improvements in turbine machines and particularly gas turbi… | Expired / Lapsed | 1951-12-19 | — | 0 | Details |
| GB667353A | Improvements relating to electric motors and generators | Expired / Lapsed | 1950-03-30 | — | 0 | Details |
| GB656312A | Improved door lock for motor road vehicle | Expired / Lapsed | 1948-12-23 | — | 0 | Details |
| GB472110A | Improvements in refractory bodies and method of making same | Expired / Lapsed | 1935-12-13 | — | 0 | Details |
| US5679402A | Method of making lubricous polymer-encapsulated ferromagnet… | Expired / Lapsed | 1996-09-23 | 1997-10-21 | 14 | Details |
| US5491418A | Automotive diagnostic communications interface | Expired / Lapsed | 1994-10-27 | 1996-02-13 | 14 | Details |
| US5421684A | Vibration damping structure in a bolted assembly | Expired / Lapsed | 1994-04-07 | 1995-06-06 | 4 | Details |
| US5386120A | Transpacitor | Expired / Lapsed | 1994-05-09 | 1995-01-31 | 12 | Details |
| US5316687A | Electrorheological compositions including A1+x Zr2 Six P-x … | Expired / Lapsed | 1991-05-20 | 1994-05-31 | 10 | Details |
| US5239860A | Sensor for measuring alcohol content of alcohol/gasoline fu… | Expired / Lapsed | 1991-05-13 | 1993-08-31 | 22 | Details |
| US4987740A | Assured venting master cylinder diaphragm apparatus and met… | Expired / Lapsed | 1989-04-03 | 1991-01-29 | 14 | Details |
| US4916115A | Selective laser pyrolysis of metallo-organics as a method o… | Expired / Lapsed | 1988-06-20 | 1990-04-10 | 3 | Details |
| US4906203A | Electrical connector with shorting clip | Expired / Lapsed | 1988-10-24 | 1990-03-06 | 13 | Details |
| US4902352A | Paint color change system | Expired / Lapsed | 1988-05-19 | 1990-02-20 | 6 | Details |
| US4881563A | Paint color change system | Expired / Lapsed | 1986-09-05 | 1989-11-21 | 4 | Details |
| US4842301A | Acoustic emission automotive crash sensor | Expired / Lapsed | 1988-09-02 | 1989-06-27 | 9 | Details |
| US4835832A | Method of assembling tubular shaft assemblies | Expired / Lapsed | 1988-06-24 | 1989-06-06 | 17 | Details |
| US4828061A | Closed-loop four wheel steering system having dual response… | Expired / Lapsed | 1988-06-27 | 1989-05-09 | 10 | Details |
| US4756558A | Quick connect tube coupling | Expired / Lapsed | 1987-06-25 | 1988-07-12 | 9 | Details |
| US4750125A | Vehicle wheel slip control system | Expired / Lapsed | 1986-10-10 | 1988-06-07 | 9 | Details |
| US4745813A | Extended spindle electric gage mechanism | Expired / Lapsed | 1987-03-16 | 1988-05-24 | 4 | Details |
| US4714740A | Low coefficient of friction nylon blend | Expired / Lapsed | 1986-07-14 | 1987-12-22 | 2 | Details |
| US4671107A | EGR diagnostic system | Expired / Lapsed | 1985-09-09 | 1987-06-09 | 6 | Details |
| US4661372A | UV-induced copper-catalyzed electroless deposition onto sty… | Expired / Lapsed | 1985-12-23 | 1987-04-28 | 8 | Details |
| US4597365A | Camshaft assembly and method | Expired / Lapsed | 1985-02-07 | 1986-07-01 | 15 | Details |
| US4582185A | Controlled capacity torque converter clutch | Expired / Lapsed | 1984-02-15 | 1986-04-15 | 14 | Details |
| US4570624A | Universal guide for inserting parallel pins | Expired / Lapsed | 1983-08-10 | 1986-02-18 | 6 | Details |
| US4564410A | Adhesive application apparatus | Expired / Lapsed | 1984-06-28 | 1986-01-14 | 7 | Details |
| US4554208A | Metal bearing surface having an adherent score-resistant co… | Expired / Lapsed | 1984-11-23 | 1985-11-19 | 2 | Details |
| US4543823A | Microwave probe for detecting oil level | Expired / Lapsed | 1984-11-15 | 1985-10-01 | 6 | Details |
| US4544868A | Brushless DC motor controller | Expired / Lapsed | 1984-07-20 | 1985-10-01 | 5 | Details |
| US4513771A | Air valve | Expired / Lapsed | 1983-11-07 | 1985-04-30 | 8 | Details |
| US4509611A | Adaptive controller for electric power steering | Expired / Lapsed | 1983-10-13 | 1985-04-09 | 11 | Details |
| US4504247A | Control mechanism for a variable ratio drive system | Expired / Lapsed | 1983-06-08 | 1985-03-12 | 6 | Details |
| US4503384A | Microwave probe for measurement of dielectric constants | Expired / Lapsed | 1982-04-28 | 1985-03-05 | 8 | Details |
| US4493493A | Alignment adjustment apparatus for vehicle wheel suspension | Expired / Lapsed | 1982-10-18 | 1985-01-15 | 6 | Details |
| US4492384A | Sealing arrangement | Expired / Lapsed | 1983-04-25 | 1985-01-08 | 4 | Details |
| US4491779A | Motor vehicle electrical system | Expired / Lapsed | 1983-10-12 | 1985-01-01 | 14 | Details |
| US4474845A | Compacted sheet molding compound | Expired / Lapsed | 1982-08-26 | 1984-10-02 | 20 | Details |
| US4471999A | Vehicle wheel assembly with insulation intermediate bead se… | Expired / Lapsed | 1982-06-04 | 1984-09-18 | 4 | Details |
| US4470766A | Demand responsive hydraulic pump | Expired / Lapsed | 1983-03-09 | 1984-09-11 | 6 | Details |
| US4462208A | Regeneration control system for a diesel engine exhaust par… | Expired / Lapsed | 1982-09-23 | 1984-07-31 | 2 | Details |
| US4413838A | Passenger restraint system | Expired / Lapsed | 1981-11-13 | 1983-11-08 | 6 | Details |
| US4413228A | Electrical harness analyzer | Expired / Lapsed | 1981-09-25 | 1983-11-01 | 4 | Details |
| US4410611A | Hard and adherent layers from organic resin coatings | Expired / Lapsed | 1983-01-31 | 1983-10-18 | 21 | Details |
| US4407387A | Control system for split axle drive mechanism | Expired / Lapsed | 1981-05-29 | 1983-10-04 | 16 | Details |
| US4395313A | Vacuum pretreatment process for durable electroplated coati… | Expired / Lapsed | 1982-07-29 | 1983-07-26 | 12 | Details |
| US4386752A | Hinged collar clip | Expired / Lapsed | 1981-03-13 | 1983-06-07 | 9 | Details |
| US4374717A | Plasma polymerized interfacial coatings for improved adhesi… | Expired / Lapsed | 1981-11-05 | 1983-02-22 | 4 | Details |
| US4372575A | Vehicle strut type suspension with alignment adjustment | Expired / Lapsed | 1981-02-09 | 1983-02-08 | 2 | Details |
| US4345202A | Method of detecting soot in engine oil using microwaves | Expired / Lapsed | 1980-12-19 | 1982-08-17 | 6 | Details |
| US4332402A | Quick connect hydraulic coupling assembly | Expired / Lapsed | 1980-10-30 | 1982-06-01 | 6 | Details |
| US4333147A | Multiplexed inductive automated guidance for moving vehicles | Expired / Lapsed | 1980-05-13 | 1982-06-01 | 6 | Details |
| US4331565A | Method for forming high surface area catalyst carrier and c… | Expired / Lapsed | 1980-11-28 | 1982-05-25 | 12 | Details |
| US4309971A | Adaptive air/fuel ratio controller for internal combustion … | Expired / Lapsed | 1980-04-21 | 1982-01-12 | 6 | Details |
| US4306529A | Adaptive air/fuel ratio controller for internal combustion … | Expired / Lapsed | 1980-04-21 | 1981-12-22 | 6 | Details |
| US4306701A | Rear view mirror mounting arrangement | Expired / Lapsed | 1979-09-11 | 1981-12-22 | 4 | Details |
| US4288852A | Method and apparatus for automatically determining sheet me… | Expired / Lapsed | 1979-11-28 | 1981-09-08 | 10 | Details |
| US4270936A | Coiled fibrous metallic material and coating for diesel exh… | Expired / Lapsed | 1980-01-18 | 1981-06-02 | 5 | Details |
| US4271402A | Motor vehicle diagnostic and monitoring device having keep … | Expired / Lapsed | 1979-08-29 | 1981-06-02 | 6 | Details |
| US4264346A | Diesel exhaust particulate traps | Expired / Lapsed | 1979-12-12 | 1981-04-28 | 6 | Details |
| US4254433A | Visual motion tracking system | Expired / Lapsed | 1979-06-25 | 1981-03-03 | 8 | Details |
| US4246877A | Notched injector hold-down clamp | Expired / Lapsed | 1979-07-27 | 1981-01-27 | 6 | Details |
| US4245599A | Vehicle engine idle speed governor with unsymmetric correct… | Expired / Lapsed | 1979-12-19 | 1981-01-20 | 6 | Details |
| US4245789A | Electromagnetic fuel injector | Expired / Lapsed | 1979-05-03 | 1981-01-20 | 8 | Details |
| US4245611A | Ceramic insulated engine pistons | Expired / Lapsed | 1978-09-05 | 1981-01-20 | 4 | Details |
| US4237205A | Pocket grid for alkaline battery plates | Expired / Lapsed | 1979-10-22 | 1980-12-02 | 10 | Details |
| US4231091A | Engine control system | Expired / Lapsed | 1978-11-27 | 1980-10-28 | 10 | Details |
| US4207002A | Apparatus for detecting an output image of an optical corre… | Expired / Lapsed | 1978-12-18 | 1980-06-10 | 2 | Details |
| US4200063A | Engine fuel injection control apparatus with simultaneous p… | Expired / Lapsed | 1978-03-20 | 1980-04-29 | 4 | Details |
| US4181203A | Control for a torque converter slipping clutch | Expired / Lapsed | 1978-08-14 | 1980-01-01 | 2 | Details |
| US4181145A | Two-way check valve | Expired / Lapsed | 1978-05-10 | 1980-01-01 | 4 | Details |
| US4175771A | Resilient mounting means for MacPherson strut | Expired / Lapsed | 1978-07-27 | 1979-11-27 | 6 | Details |
| US4157854A | Steering column electrical connector arrangement | Expired / Lapsed | 1978-04-21 | 1979-06-12 | 6 | Details |
| US4153579A | Platinum, rhodium, and palladium catalyst for automotive em… | Expired / Lapsed | 1978-02-06 | 1979-05-08 | 8 | Details |
| US4153019A | Peak cylinder combustion pressure ignition spark timing sys… | Expired / Lapsed | 1977-04-20 | 1979-05-08 | 20 | Details |
| US4143368A | Vehicle operator security system | Expired / Lapsed | 1977-12-05 | 1979-03-06 | 6 | Details |
| US4142495A | Engine exhaust gas recirculation system with periodic recal… | Expired / Lapsed | 1977-12-05 | 1979-03-06 | 2 | Details |
| US4142612A | Servo motor with differential pressure controlled and actua… | Expired / Lapsed | 1977-09-21 | 1979-03-06 | 4 | Details |
| US4129461A | Formable high strength low alloy steel | Expired / Lapsed | 1977-04-07 | 1978-12-12 | 20 | Details |
| US4123023A | System for controlling vehicle movement over a fixed guidew… | Expired / Lapsed | 1977-10-03 | 1978-10-31 | 6 | Details |
| US4123729A | Displacement transducer | Expired / Lapsed | 1977-07-22 | 1978-10-31 | 12 | Details |
| US4093355A | Symmetrical internal heater for liquid crystal display | Expired / Lapsed | 1977-02-04 | 1978-06-06 | 12 | Details |
| US4087106A | Cambering vehicle | Expired / Lapsed | 1976-01-19 | 1978-05-02 | 30 | Details |
| US4082013A | Hydrostatic transmission control | Expired / Lapsed | 1974-11-22 | 1978-04-04 | 18 | Details |
| US4076774A | Dual-walled microcapsules and a method of forming same | Expired / Lapsed | 1976-02-27 | 1978-02-28 | 8 | Details |
| US4065750A | Low tire pressure warning circuit for a tractor/trailer com… | Expired / Lapsed | 1976-10-18 | 1977-12-27 | 7 | Details |
| US4059876A | Method of alloying and forming a valve seat | Expired / Lapsed | 1976-11-03 | 1977-11-29 | 4 | Details |
| US4051434A | Digital frequency measuring circuitry | Expired / Lapsed | 1976-05-28 | 1977-09-27 | 12 | Details |
| US4051073A | Pellet-type oxidation catalyst | Expired / Lapsed | 1976-02-13 | 1977-09-27 | 6 | Details |
| US4045650A | Jumper touch sensor current switching device | Expired / Lapsed | 1976-01-29 | 1977-08-30 | 10 | Details |
| US4045062A | Electric cranking motor automatic disconnect and lockout ci… | Expired / Lapsed | 1975-12-17 | 1977-08-30 | 4 | Details |
| US4041723A | Room air conditioner with timer | Expired / Lapsed | 1976-11-03 | 1977-08-16 | 5 | Details |
| US4035005A | Quick connect coupling with weather seal | Expired / Lapsed | 1976-05-24 | 1977-07-12 | 6 | Details |
| US4009699A | Digital ignition spark timing angle control with read only … | Expired / Lapsed | 1976-01-19 | 1977-03-01 | 10 | Details |
| US4009648A | Air conditioner air flow control mechanism | Expired / Lapsed | 1975-10-03 | 1977-03-01 | 2 | Details |
| US4002085A | Accelerator control assembly | Expired / Lapsed | 1975-05-08 | 1977-01-11 | 8 | Details |
| US3998191A | Engine speed limiting control circuit | Expired / Lapsed | 1975-03-27 | 1976-12-21 | 6 | Details |
| US3998991A | Transparent abrasion-resistant coating for a styrene acrylo… | Expired / Lapsed | 1974-03-29 | 1976-12-21 | 18 | Details |
| US3997822A | Method of controlling locomotive wheel slip | Expired / Lapsed | 1974-12-18 | 1976-12-14 | 10 | Details |
| US3977502A | Hydrodynamic drive and slipping clutch | Expired / Lapsed | 1975-05-21 | 1976-08-31 | 6 | Details |
| US3973147A | Temperature measuring circuit | Expired / Lapsed | 1975-10-28 | 1976-08-03 | 4 | Details |
| US3969030A | Ball joint with composite compression spring | Expired / Lapsed | 1975-11-10 | 1976-07-13 | 8 | Details |
| US3966032A | Hydrodynamic drive and slipping clutch | Expired / Lapsed | 1975-06-09 | 1976-06-29 | 12 | Details |
| US3949714A | Fuel-air metering and induction system | Expired / Lapsed | 1974-04-22 | 1976-04-13 | 10 | Details |
| US3936071A | Steering system monitoring apparatus and procedure | Expired / Lapsed | 1975-02-10 | 1976-02-03 | 10 | Details |
| US3930907A | High strength ductile hot rolled nitrogenized steel | Expired / Lapsed | 1974-12-02 | 1976-01-06 | 10 | Details |
| US3928086A | High strength ductile steel | Expired / Lapsed | 1974-12-02 | 1975-12-23 | 8 | Details |
| US3910663A | Electrical ground terminal | Expired / Lapsed | 1974-04-22 | 1975-10-07 | 4 | Details |
| US3896409A | Liquid level sensor for corrosive baths | Expired / Lapsed | 1974-10-18 | 1975-07-22 | 6 | Details |
| US3896448A | Instrument panel radio antenna | Expired / Lapsed | 1973-06-11 | 1975-07-22 | 2 | Details |
| US3886539A | Domestic appliance control and display systems | Expired / Lapsed | 1974-04-04 | 1975-05-27 | 3 | Details |
| US3884583A | Method and apparatus for magnetically modulated resonance a… | Expired / Lapsed | 1973-05-03 | 1975-05-20 | 8 | Details |
| US3881743A | Automotive leveling system | Expired / Lapsed | 1974-05-02 | 1975-05-06 | 6 | Details |
| US3869259A | Composite sliding member | Expired / Lapsed | 1973-05-02 | 1975-03-04 | 8 | Details |
| US3866166A | Digital multigage for motor vehicle | Expired / Lapsed | 1974-04-09 | 1975-02-11 | 10 | Details |
| US3865079A | Electrostatic fluid bed powder coating system | Expired / Lapsed | 1973-08-27 | 1975-02-11 | 8 | Details |
| US3861241A | Transmission with speed responsive shifting in reverse gears | Expired / Lapsed | 1974-01-17 | 1975-01-21 | 18 | Details |
| US3861644A | Solenoid valve | Expired / Lapsed | 1973-10-09 | 1975-01-21 | 6 | Details |
| US3855843A | Surface finish measuring gauge | Expired / Lapsed | 1973-05-31 | 1974-12-24 | 6 | Details |
| US3852623A | Timing circuit | Expired / Lapsed | 1973-07-12 | 1974-12-03 | 4 | Details |
| US3836853A | Apparatus for measuring the speed of a moving member | Expired / Lapsed | 1973-10-10 | 1974-09-17 | 4 | Details |
| US3834007A | Method of assembly and joining shift indicator components | Expired / Lapsed | 1973-04-27 | 1974-09-10 | 6 | Details |
| US3834822A | Method and apparatus for surface defect detection using det… | Expired / Lapsed | 1973-03-29 | 1974-09-10 | 10 | Details |
| US3818783A | Manual and automatic shift controls for transmissions | Expired / Lapsed | 1972-12-04 | 1974-06-25 | 23 | Details |
| US3820099A | Voltage detector | Expired / Lapsed | 1972-04-17 | 1974-06-25 | 10 | Details |
| US3817099A | Mass flow air meter | Expired / Lapsed | 1972-08-09 | 1974-06-18 | 2 | Details |
| US3814861A | Vehicle multiplex circuit having function priority | Expired / Lapsed | 1972-10-13 | 1974-06-04 | 4 | Details |
| US3800626A | Transversely mounted engine driven transmission | Expired / Lapsed | 1973-01-26 | 1974-04-02 | 4 | Details |
| US3800629A | Engine and transmission power trains and controls | Expired / Lapsed | 1972-10-25 | 1974-04-02 | 29 | Details |
| US3799133A | Solenoid valve control for exhaust gas recirculation | Expired / Lapsed | 1972-06-22 | 1974-03-26 | 4 | Details |
| US3793621A | Automatic vehicle brake and directional lights initiator | Expired / Lapsed | 1972-11-24 | 1974-02-19 | 6 | Details |
| US3784839A | Anti-theft apparatus including turnover mode of operation | Expired / Lapsed | 1972-07-12 | 1974-01-08 | 4 | Details |
| US3783846A | Internal combustion engine ignition spark vacuum advance sy… | Expired / Lapsed | 1971-11-30 | 1974-01-08 | 2 | Details |
| US3780640A | Compound air register of one piece construction | Expired / Lapsed | 1972-07-18 | 1973-12-25 | 6 | Details |
| US3775591A | Oven heater element control circuit | Expired / Lapsed | 1972-12-26 | 1973-11-27 | 4 | Details |
| US3770323A | Vehicle jack | Expired / Lapsed | 1971-09-14 | 1973-11-06 | 8 | Details |
| US3768024A | Zero crossover detector circuit | Expired / Lapsed | 1972-09-25 | 1973-10-23 | 6 | Details |
| US3766536A | Catalytic converter monitor | Expired / Lapsed | 1971-12-15 | 1973-10-16 | 2 | Details |
| US3762070A | Spinal column simulator | Expired / Lapsed | 1972-10-30 | 1973-10-02 | 8 | Details |
| US3758298A | Method of producing graphitic aluminum castings | Expired / Lapsed | 1970-07-02 | 1973-09-11 | 0 | Details |
| US3756205A | Method of and means for engine operation with cylinders sel… | Expired / Lapsed | 1971-04-26 | 1973-09-04 | 8 | Details |
| US3755776A | Vehicle operation inhibitor control system | Expired / Lapsed | 1972-04-07 | 1973-08-28 | 9 | Details |
| US3752280A | Constant speed differential fluid clutch | Expired / Lapsed | 1971-12-22 | 1973-08-14 | 2 | Details |
| US3748048A | Method of detecting changes of a specular surface | Expired / Lapsed | 1971-11-01 | 1973-07-24 | 8 | Details |
| US3738339A | Electronic ignition spark advance system | Expired / Lapsed | 1971-12-06 | 1973-06-12 | 10 | Details |
| US3732852A | Electronic fuel injection system having speed enrichment | Expired / Lapsed | 1971-07-01 | 1973-05-15 | 10 | Details |
| US3732566A | Continuous wave ranging radar | Expired / Lapsed | 1971-10-12 | 1973-05-08 | 6 | Details |
| US3730217A | Check valve | Expired / Lapsed | 1971-05-19 | 1973-05-01 | 4 | Details |
| US3730596A | Brake control system and vehicle having same | Expired / Lapsed | 1971-04-21 | 1973-05-01 | 6 | Details |
| US3727941A | Automobile levelizer control unit | Expired / Lapsed | 1971-12-08 | 1973-04-17 | 8 | Details |
| US3727992A | Anti-lock brake control system | Expired / Lapsed | 1971-03-15 | 1973-04-17 | 2 | Details |
| US3726133A | Flexible torque transmitting unit | Expired / Lapsed | 1971-07-13 | 1973-04-10 | 13 | Details |
| US3718881A | Detachable fastening clip | Expired / Lapsed | 1972-03-27 | 1973-02-27 | 8 | Details |
| US3718350A | Snap ring coupling | Expired / Lapsed | 1971-09-27 | 1973-02-27 | 6 | Details |
| US3711632A | End fitting for corrugated conduit | Expired / Lapsed | 1971-12-02 | 1973-01-16 | 6 | Details |
| US3705639A | Automatic re-engage circuit for an electronic speed control… | Expired / Lapsed | 1971-07-09 | 1972-12-12 | 6 | Details |
| US3703186A | Flow divider control valve assembly | Expired / Lapsed | 1971-08-12 | 1972-11-21 | 8 | Details |
| US3702207A | Fluid pressure proportioning unit | Expired / Lapsed | 1970-11-10 | 1972-11-07 | 0 | Details |
| US3701085A | Electrical connector assembly | Expired / Lapsed | 1971-02-18 | 1972-10-24 | 4 | Details |
| US3699805A | Ultrasonic testing apparatus | Expired / Lapsed | 1968-07-26 | 1972-10-24 | 12 | Details |
| US3697202A | Side seal for rotary combustion engine | Expired / Lapsed | 1971-04-07 | 1972-10-10 | 4 | Details |
| US3695749A | Apparatus for producing an interference pattern | Expired / Lapsed | 1970-08-07 | 1972-10-03 | 8 | Details |
| US3691396A | Electronic combination door and ignition lock | Expired / Lapsed | 1971-08-09 | 1972-09-12 | 6 | Details |
| US3690155A | Apparatus for measuring sound velocity in a workpiece | Expired / Lapsed | 1970-10-30 | 1972-09-12 | 12 | Details |
| US3689357A | Glass-polysilicon dielectric isolation | Expired / Lapsed | 1970-12-10 | 1972-09-05 | 0 | Details |
| US3686549A | Power control system | Expired / Lapsed | 1971-02-01 | 1972-08-22 | 10 | Details |
| US3684047A | Wheel slip limiting apparatus with mechanical control | Expired / Lapsed | 1970-12-23 | 1972-08-15 | 10 | Details |
| US3680655A | Electrical wheel slip limiting apparatus | Expired / Lapsed | 1970-07-06 | 1972-08-01 | 6 | Details |
| US3671085A | Antilock brake modulator | Expired / Lapsed | 1970-10-12 | 1972-06-20 | 0 | Details |
| US3667718A | Adjustable rear view mirror assembly | Expired / Lapsed | 1971-05-18 | 1972-06-06 | 0 | Details |
| US3667775A | Semiclosed loop automatic leveling system | Expired / Lapsed | 1970-09-21 | 1972-06-06 | 0 | Details |
| US3665560A | Plastic string fastener having detachable parts | Expired / Lapsed | 1970-12-09 | 1972-05-30 | 8 | Details |
| US3660814A | Vehicle condition responsive monitoring system | Expired / Lapsed | 1970-11-20 | 1972-05-02 | 8 | Details |
| US3659480A | Vehcile power train | Expired / Lapsed | 1970-07-06 | 1972-05-02 | 6 | Details |
| US3658950A | Thermoplastic resin containing styrene-acrylonitrile copoly… | Expired / Lapsed | 1969-05-27 | 1972-04-25 | 0 | Details |
| US3657720A | Remote engine start and stop system | Expired / Lapsed | 1970-06-01 | 1972-04-18 | 9 | Details |
| US3653250A | Process for forming titanium | Expired / Lapsed | 1970-04-02 | 1972-04-04 | 4 | Details |
| US3647017A | Electronic cruise control system | Expired / Lapsed | 1969-09-11 | 1972-03-07 | 10 | Details |
| US3645111A | Refrigerating system with osmotic membrane | Expired / Lapsed | 1970-10-30 | 1972-02-29 | 8 | Details |
| US3646541A | Fluid level indicator | Expired / Lapsed | 1970-06-04 | 1972-02-29 | 8 | Details |
| US3643526A | Ignition timing and throttle position control | Expired / Lapsed | 1970-09-28 | 1972-02-22 | 7 | Details |
| US3637284A | Male connector terminal for fiberloptic bundles | Expired / Lapsed | 1969-12-22 | 1972-01-25 | 13 | Details |
| US3633439A | Transmission control | Expired / Lapsed | 1970-08-19 | 1972-01-11 | 6 | Details |
| US3630046A | Damper control | Expired / Lapsed | 1970-02-02 | 1971-12-28 | 8 | Details |
| US3626935A | Surgical nail extractor | Expired / Lapsed | 1969-08-12 | 1971-12-14 | 8 | Details |
| US3619530A | Doorjamb switch | Expired / Lapsed | 1970-04-30 | 1971-11-09 | 8 | Details |
| US3616784A | Fuel supply system for an internal combustion engine provid… | Expired / Lapsed | 1970-07-17 | 1971-11-02 | 0 | Details |
| US3610611A | Automatic vehicle leveling system with electronic time delay | Expired / Lapsed | 1970-03-13 | 1971-10-05 | 10 | Details |
| US3606869A | Apparatus for electrically synchronizing fuel injection wit… | Expired / Lapsed | 1970-05-11 | 1971-09-21 | 0 | Details |
| US3605260A | Method of making multilayer printed circuits | Expired / Lapsed | 1968-11-12 | 1971-09-20 | 0 | Details |
| US3603136A | Ultrasonic measurement of material nodularity | Expired / Lapsed | 1969-11-25 | 1971-09-07 | 8 | Details |
| US3602055A | Transmission | Expired / Lapsed | 1970-03-02 | 1971-08-31 | 4 | Details |
| US3601463A | Refrigerator cabinet encompassing a range of refrigerator v… | Expired / Lapsed | 1970-05-22 | 1971-08-24 | 6 | Details |
| US3591983A | Vehicle window panel installation | Expired / Lapsed | 1970-04-30 | 1971-07-13 | 6 | Details |
| US3592884A | Composite propeller shaft construction and method of making | Expired / Lapsed | 1967-06-07 | 1971-07-13 | 0 | Details |
| US3587545A | Fuel pump safety circuitry | Expired / Lapsed | 1969-08-04 | 1971-06-28 | 0 | Details |
| US3586985A | Variable duty cycle control generator | Expired / Lapsed | 1969-12-17 | 1971-06-22 | 0 | Details |
| US3581852A | Engine and parking brake controlled by transmission ratio a… | Expired / Lapsed | 1969-10-17 | 1971-06-01 | 4 | Details |
| US3581174A | Automatic reversing circuit for a window regulator motor co… | Expired / Lapsed | 1969-12-15 | 1971-05-25 | 4 | Details |
| US3580350A | Vehicle power unit and drive train | Expired / Lapsed | 1969-01-23 | 1971-05-25 | 9 | Details |
| US3579199A | Method and apparatus for fault testing a digital computer m… | Expired / Lapsed | 1969-02-03 | 1971-05-18 | 12 | Details |
| US3577121A | Brake fluid level switch | Expired / Lapsed | 1969-11-10 | 1971-05-04 | 12 | Details |
| US3575375A | Rear view mirror assembly | Expired / Lapsed | 1969-09-08 | 1971-04-20 | 8 | Details |
| US3574359A | Fluid conduit coupling | Expired / Lapsed | 1969-07-22 | 1971-04-13 | 5 | Details |
| US3568436A | Dual seal system | Expired / Lapsed | 1969-02-03 | 1971-03-09 | 0 | Details |
| US3565972A | Structural adhesives from urethane prepolymers,polyepoxides… | Expired / Lapsed | 1968-02-26 | 1971-02-23 | 0 | Details |
| US3563564A | Vehicle wheel mounting | Expired / Lapsed | 1969-05-21 | 1971-02-16 | 7 | Details |
| US3560832A | Battery charging system for vehicles having propulsion and … | Expired / Lapsed | 1969-05-05 | 1971-02-02 | 0 | Details |
| US3558154A | Combination valve and electric switch assembly for automati… | Expired / Lapsed | 1969-05-01 | 1971-01-26 | 0 | Details |
| US3558155A | Semiautomatic,open loop leveling system | Expired / Lapsed | 1969-05-01 | 1971-01-26 | 0 | Details |
| US3554672A | Hot gas engine with accumulator type gas compressor | Expired / Lapsed | 1969-09-10 | 1971-01-12 | 0 | Details |
| US3554057A | Transmission and control | Expired / Lapsed | 1968-09-13 | 1971-01-12 | 0 | Details |
| US3554612A | Antilock brake control | Expired / Lapsed | 1968-08-21 | 1971-01-12 | 0 | Details |
| US3552295A | Air conditioner grill having pivoting horizontal and vertic… | Expired / Lapsed | 1969-02-13 | 1971-01-05 | 2 | Details |
| US3552763A | Interconnected vehicle suspension with pitch displacement a… | Expired / Lapsed | 1968-08-22 | 1971-01-05 | 0 | Details |
| US3551210A | Process for the high-speed manufacture of pvc battery separ… | Expired / Lapsed | 1969-02-03 | 1970-12-29 | 0 | Details |
| US3550681A | Self-adjusting thermal connector | Expired / Lapsed | 1968-12-30 | 1970-12-29 | 0 | Details |
| US3534396A | Computer-aided graphical analysis | Expired / Lapsed | 1965-10-27 | 1970-10-13 | 0 | Details |
| US3527121A | Carrier | Expired / Lapsed | 1968-08-26 | 1970-09-08 | 0 | Details |
| US3525190A | Refrigerator door trim and panel mounting strip | Expired / Lapsed | 1968-10-28 | 1970-08-25 | 0 | Details |
| US3524685A | Antilock brake control system | Expired / Lapsed | 1968-08-09 | 1970-08-18 | 0 | Details |
| US3511583A | Magnetic fluid actuating pump | Expired / Lapsed | 1968-09-24 | 1970-05-12 | 0 | Details |
| US3511610A | Silicon crystal growing | Expired / Lapsed | 1966-10-14 | 1970-05-12 | 0 | Details |
| US3510439A | Structural adhesives | Expired / Lapsed | 1967-12-01 | 1970-05-05 | 0 | Details |
| US3509765A | Inertial navigation system | Expired / Lapsed | 1965-12-17 | 1970-05-05 | 0 | Details |
| US3503377A | Control valve | Expired / Lapsed | 1968-07-30 | 1970-03-31 | 0 | Details |
| US3496932A | Method and apparatus for substernal cardiac massage | Expired / Lapsed | 1967-12-22 | 1970-02-24 | 0 | Details |
| US3490312A | Expansible chamber device with hydrodynamic bearing pump an… | Expired / Lapsed | 1968-05-31 | 1970-01-20 | 0 | Details |
| US3487730A | Machine tool feed control | Expired / Lapsed | 1966-12-12 | 1970-01-06 | 0 | Details |
| US3483337A | Six-way rotary inclined plane centering switch | Expired / Lapsed | 1967-01-06 | 1969-12-09 | 0 | Details |
| US3477647A | Fuel spray nozzle | Expired / Lapsed | 1967-02-20 | 1969-11-11 | 0 | Details |
| US3477055A | Thermistor construction | Expired / Lapsed | 1967-12-22 | 1969-11-04 | 0 | Details |
| US3473949A | Method of forming acrylic resin surface coatings | Expired / Lapsed | 1966-05-09 | 1969-10-21 | 0 | Details |
| US3461260A | Microwave oven | Expired / Lapsed | 1966-05-16 | 1969-08-12 | 0 | Details |
| US3451841A | Ceramic foam | Expired / Lapsed | 1965-10-22 | 1969-06-24 | 0 | Details |
| US3448640A | Electrical control for automatic transmission | Expired / Lapsed | 1967-06-30 | 1969-06-10 | 0 | Details |
| US3443182A | System for operating alternating current induction type mot… | Expired / Lapsed | 1966-09-20 | 1969-05-06 | 0 | Details |
| US3441104A | Vehicle speed transducer | Expired / Lapsed | 1967-08-29 | 1969-04-29 | 0 | Details |
| US3440657A | Multichannel multiplex communication system using pulse wid… | Expired / Lapsed | 1965-08-05 | 1969-04-22 | 0 | Details |
| US3436244A | Fusion coating of metal articles | Expired / Lapsed | 1965-06-29 | 1969-04-01 | 0 | Details |
| US3433536A | Regulated anti-lock braking system | Expired / Lapsed | 1967-10-11 | 1969-03-18 | 0 | Details |
| US3430336A | Method of making a thermistor | Expired / Lapsed | 1965-09-15 | 1969-03-04 | 0 | Details |
| US3425657A | Vehicle rear view mirror assembly | Expired / Lapsed | 1967-02-27 | 1969-02-04 | 0 | Details |
| US3423581A | Remote illumination apparatus | Expired / Lapsed | 1966-10-26 | 1969-01-21 | 0 | Details |
| US3412556A | Master cylinder assembly | Expired / Lapsed | 1966-10-10 | 1968-11-26 | 0 | Details |
| US3410362A | Speed control system | Expired / Lapsed | 1966-05-09 | 1968-11-12 | 0 | Details |
| US3407749A | Motor for propulsion and load support | Expired / Lapsed | 1966-08-31 | 1968-10-29 | 0 | Details |
| US3407894A | Auxiliary means energizing fluid steering system upon deact… | Expired / Lapsed | 1965-03-22 | 1968-10-29 | 0 | Details |
| US3405779A | Vehicle speed control system | Expired / Lapsed | 1966-12-09 | 1968-10-15 | 2 | Details |
| US3403533A | Refrigerator with upright dividing wall | Expired / Lapsed | 1966-10-07 | 1968-10-01 | 0 | Details |
| US3397518A | Method of sealing the peripheral edge of a flat pleated fil… | Expired / Lapsed | 1967-07-19 | 1968-08-20 | 0 | Details |
| US3396870A | Mechanical metal pouring control system and components ther… | Expired / Lapsed | 1967-01-03 | 1968-08-13 | 0 | Details |
| US3383953A | Power train | Expired / Lapsed | 1965-09-29 | 1968-05-21 | 0 | Details |
| US3378109A | Disc brake assembly | Expired / Lapsed | 1966-08-29 | 1968-04-16 | 0 | Details |
| US3378828A | Short range radio telemetry | Expired / Lapsed | 1965-06-16 | 1968-04-16 | 0 | Details |
| US3375677A | Method and apparatus for maintaining high humidity in a fro… | Expired / Lapsed | 1967-01-03 | 1968-04-02 | 0 | Details |
| US3373629A | Steering column assembly | Expired / Lapsed | 1966-04-29 | 1968-03-19 | 1 | Details |
| US3374394A | Time delay control for lighting circuit | Expired / Lapsed | 1965-08-20 | 1968-03-19 | 0 | Details |
| US3372393A | Radio remote control system | Expired / Lapsed | 1965-04-05 | 1968-03-05 | 0 | Details |
| US3371179A | Electrical switch having a floating actuator which is deten… | Expired / Lapsed | 1966-11-22 | 1968-02-27 | 0 | Details |
| US3368046A | Brake fluid level indicator system | Expired / Lapsed | 1966-03-04 | 1968-02-06 | 0 | Details |
| US3365694A | Connector means | Expired / Lapsed | 1965-06-17 | 1968-01-23 | 0 | Details |
| US3359129A | Method of photopolymerizing acrylic monomer coatings | Expired / Lapsed | 1964-05-15 | 1967-12-19 | 2 | Details |
| US3354370A | Electrical inverter having separate shutoff power supplies | Expired / Lapsed | 1965-05-20 | 1967-11-21 | 2 | Details |
| US3352524A | Remotely adjustable rear view mirror | Expired / Lapsed | 1965-12-23 | 1967-11-14 | 2 | Details |
| US3344667A | Flow monitor | Expired / Lapsed | 1964-10-09 | 1967-10-03 | 2 | Details |
| US3344513A | Pump-motor assembly method | Expired / Lapsed | 1964-02-27 | 1967-10-03 | 0 | Details |
| US3344514A | Method of skewing and securing stacked rotor laminations | Expired / Lapsed | 1963-05-22 | 1967-10-03 | 2 | Details |
| US3343564A | Ball check valve having particular spring means | Expired / Lapsed | 1964-12-08 | 1967-09-26 | 2 | Details |
| US3338328A | Steering control system | Expired / Lapsed | 1966-08-08 | 1967-08-29 | 2 | Details |
| US3338637A | Wheel slip control type brake anti-skid system | Expired / Lapsed | 1966-02-02 | 1967-08-29 | 2 | Details |
| US3334854A | Sunshade support assembly | Expired / Lapsed | 1966-05-12 | 1967-08-08 | 2 | Details |
| US3334410A | Combination mold and fastening means | Expired / Lapsed | 1965-02-23 | 1967-08-08 | 0 | Details |
| US3332406A | Electronic speed control system | Expired / Lapsed | 1965-08-24 | 1967-07-25 | 2 | Details |
| US3332476A | Carburetor cooling means | Expired / Lapsed | 1965-06-09 | 1967-07-25 | 2 | Details |
| US3331362A | Internal combustion engine ignition systems | Expired / Lapsed | 1964-08-24 | 1967-07-18 | 2 | Details |
| US3331761A | Photopolymerization of acrylic resins using ultraviolet lig… | Expired / Lapsed | 1964-06-25 | 1967-07-18 | 2 | Details |
| US3330170A | Transmission | Expired / Lapsed | 1964-05-20 | 1967-07-11 | 1 | Details |
| US3323829A | Seat belt retractor | Expired / Lapsed | 1966-01-19 | 1967-06-06 | 2 | Details |
| US3323389A | Live axle | Expired / Lapsed | 1964-11-30 | 1967-06-06 | 2 | Details |
| US3319733A | Vehicle speed responsive control system | Expired / Lapsed | 1965-07-16 | 1967-05-16 | 2 | Details |
| US3320107A | Method of making a facing for use in energy transmitting de… | Expired / Lapsed | 1963-01-30 | 1967-05-16 | 2 | Details |
| US3312936A | Electrical fluid level indicating system | Expired / Lapsed | 1964-04-10 | 1967-04-04 | 2 | Details |
| US3312423A | Inertial guidance system with stellar correction | Expired / Lapsed | 1962-09-10 | 1967-04-04 | 2 | Details |
| US3306339A | Gas furnace ignition control system | Expired / Lapsed | 1964-06-05 | 1967-02-28 | 2 | Details |
| US3303471A | Data collecting and recording device | Expired / Lapsed | 1963-08-26 | 1967-02-07 | 2 | Details |
| US3303386A | Transient overvoltage and overload protection circuit | Expired / Lapsed | 1963-05-07 | 1967-02-07 | 2 | Details |
| US3301608A | Logic control type anti-skid system | Expired / Lapsed | 1965-12-27 | 1967-01-31 | 2 | Details |
| US3301161A | Motor vehicle body ventilation systems | Expired / Lapsed | 1964-12-04 | 1967-01-31 | 2 | Details |
| US3301242A | Ignition timing device | Expired / Lapsed | 1964-08-13 | 1967-01-31 | 2 | Details |
| US3299344A | Full wave voltage control system for heating load | Expired / Lapsed | 1964-03-11 | 1967-01-17 | 2 | Details |
| US3299345A | Voltage control system for heating loads | Expired / Lapsed | 1963-04-29 | 1967-01-17 | 2 | Details |
| US3299303A | Dynamoelectric machine with incorporated voltage regulator | Expired / Lapsed | 1963-01-07 | 1967-01-17 | 2 | Details |
| US3293455A | Electrical apparatus employing fourlayer diode and thermist… | Expired / Lapsed | 1963-04-29 | 1966-12-20 | 2 | Details |
| US3291245A | Vehicle variable ratio steering system | Expired / Lapsed | 1964-07-31 | 1966-12-13 | 2 | Details |
| US3291574A | Semiconductor crystal growth from a domical projection | Expired / Lapsed | 1963-12-23 | 1966-12-13 | 2 | Details |
| US3291650A | Control of crystal size | Expired / Lapsed | 1963-12-23 | 1966-12-13 | 2 | Details |
| US3291571A | Crystal growth | Expired / Lapsed | 1963-12-23 | 1966-12-13 | 2 | Details |
| US3288947A | Pivotable and reciprocating six-way rotary seat adjuster | Expired / Lapsed | 1964-09-29 | 1966-11-29 | 2 | Details |
| US3288239A | Adjustable toeboard and control pedal for vehicles | Expired / Lapsed | 1964-05-25 | 1966-11-29 | 2 | Details |
| US3288894A | Method of insulating a hollow-walled cabinet which includes… | Expired / Lapsed | 1963-08-26 | 1966-11-29 | 2 | Details |
| US3287626A | Phase shifting networks | Expired / Lapsed | 1962-03-28 | 1966-11-22 | 2 | Details |
| US3287611A | Controlled conducting region geometry in semiconductor devi… | Expired / Lapsed | 1961-08-17 | 1966-11-22 | 2 | Details |
| US3282385A | Device for controlling rate of engagement of hydraulic clut… | Expired / Lapsed | 1964-08-31 | 1966-11-01 | 2 | Details |
| US3283314A | Low fuel warning system | Expired / Lapsed | 1963-12-18 | 1966-11-01 | 2 | Details |
| US3277982A | Self-energizing disc brake | Expired / Lapsed | 1964-11-23 | 1966-10-11 | 2 | Details |
| US3272059A | Plastic hollow-ended fastener | Expired / Lapsed | 1964-05-15 | 1966-09-13 | 0 | Details |
| US3270955A | Air compressor | Expired / Lapsed | 1965-03-16 | 1966-09-06 | 2 | Details |
| US3268023A | Variable traction self-propelled air bearing supported load… | Expired / Lapsed | 1964-09-10 | 1966-08-23 | 2 | Details |
| US3268664A | Automatic channel selector for communication systems | Expired / Lapsed | 1962-10-10 | 1966-08-23 | 2 | Details |
| US3266302A | Displacement measuring means | Expired / Lapsed | 1965-06-09 | 1966-08-16 | 2 | Details |
| US3265450A | Roller track apparatus | Expired / Lapsed | 1963-10-17 | 1966-08-09 | 2 | Details |
| US3264165A | Insulating means | Expired / Lapsed | 1964-11-25 | 1966-08-02 | 2 | Details |
| US3263618A | Windshield washer pump | Expired / Lapsed | 1964-04-21 | 1966-08-02 | 2 | Details |
| US3262332A | Telescopeable steering assembly | Expired / Lapsed | 1965-03-19 | 1966-07-26 | 2 | Details |
| US3260912A | Power amplifier employing pulse duration modulation | Expired / Lapsed | 1963-06-19 | 1966-07-12 | 1 | Details |
| US3252313A | Electromagnetic forming method and apparatus | Expired / Lapsed | 1964-12-21 | 1966-05-24 | 2 | Details |
| US3252450A | Mechanism for reducing unburned hydrocarbon emission | Expired / Lapsed | 1963-10-18 | 1966-05-24 | 2 | Details |
| US3252285A | Fluid operated throttle actuator | Expired / Lapsed | 1963-09-05 | 1966-05-24 | 2 | Details |
| US3243724A | Method of operating a laser by controlling regenerative act… | Expired / Lapsed | 1963-01-09 | 1966-03-29 | 2 | Details |
| US3241399A | Transmission | Expired / Lapsed | 1962-12-26 | 1966-03-22 | 2 | Details |
| US3240360A | Work piece transfer device | Expired / Lapsed | 1964-03-02 | 1966-03-15 | 2 | Details |
| US3237404A | Re-expansion gas turbine engine with power transfer between… | Expired / Lapsed | 1965-05-03 | 1966-03-01 | 2 | Details |
| US3237887A | Inertial guidance system | Expired / Lapsed | 1959-11-27 | 1966-03-01 | 2 | Details |
| US3235025A | Collision prevention system | Expired / Lapsed | 1964-04-20 | 1966-02-15 | 2 | Details |
| US3234655A | Inspection system | Expired / Lapsed | 1961-06-13 | 1966-02-15 | 2 | Details |
| US3228251A | Unbalance measuring system | Expired / Lapsed | 1962-11-05 | 1966-01-11 | 2 | Details |
| US3223791A | Six-way seat adjuster switch with spring biased centering m… | Expired / Lapsed | 1963-07-09 | 1965-12-14 | 2 | Details |
| US3223963A | Electrical connector | Expired / Lapsed | 1963-05-22 | 1965-12-14 | 1 | Details |
| US3220879A | Sealing strip comprising polychloroprene rubber base coated… | Expired / Lapsed | 1964-07-29 | 1965-11-30 | 2 | Details |
| US3221284A | Domestic appliance | Expired / Lapsed | 1963-07-24 | 1965-11-30 | 2 | Details |
| US3220206A | Refrigerating apparatus including means to indicate power f… | Expired / Lapsed | 1963-07-05 | 1965-11-30 | 0 | Details |
| US3221085A | Process of making an insulated cabinet | Expired / Lapsed | 1961-08-28 | 1965-11-30 | 2 | Details |
| US3221182A | Transistorized power inverter | Expired / Lapsed | 1961-01-23 | 1965-11-30 | 0 | Details |
| US3219733A | Method of extruding a smooth surfaced sponge vinyl resin ar… | Expired / Lapsed | 1962-09-07 | 1965-11-23 | 0 | Details |
| US3216522A | Vehicle speed maintaining control system and method | Expired / Lapsed | 1963-08-28 | 1965-11-09 | 2 | Details |
| US3215818A | Temperature control electric circuit | Expired / Lapsed | 1963-04-29 | 1965-11-02 | 1 | Details |
| US3214730A | Headlight reminder circuit | Expired / Lapsed | 1962-09-25 | 1965-10-26 | 1 | Details |
| US3213320A | Ignition system having a controlled rectifier | Expired / Lapsed | 1962-04-05 | 1965-10-19 | 2 | Details |
| US3211411A | Vehicle seat | Expired / Lapsed | 1964-03-19 | 1965-10-12 | 2 | Details |
| US3211496A | Seat belt retractor with safety locking feature | Expired / Lapsed | 1964-01-14 | 1965-10-12 | 2 | Details |
| US3209849A | Clearance modulated frictionless attraction device for incr… | Expired / Lapsed | 1963-03-11 | 1965-10-05 | 1 | Details |
| US3210030A | Wiring harness installation | Expired / Lapsed | 1963-01-07 | 1965-10-05 | 0 | Details |
| US3209056A | Method of insulating refrigerator cabinets and other insula… | Expired / Lapsed | 1962-10-30 | 1965-09-28 | 2 | Details |
| US3206933A | Sealed hydraulic fluid system | Expired / Lapsed | 1964-10-09 | 1965-09-21 | 2 | Details |
| US3207077A | Pump | Expired / Lapsed | 1963-05-27 | 1965-09-21 | 2 | Details |
| US3203411A | Ignition timing control device | Expired / Lapsed | 1964-04-17 | 1965-08-31 | 1 | Details |
| US3203176A | Engine governor | Expired / Lapsed | 1962-08-23 | 1965-08-31 | 2 | Details |
| US3202008A | Screw and nut actuator | Expired / Lapsed | 1963-05-27 | 1965-08-24 | 2 | Details |
| US3202899A | Motor control system | Expired / Lapsed | 1961-12-21 | 1965-08-24 | 2 | Details |
| US3201048A | Multiple fluid spray gun with remotely operable selective v… | Expired / Lapsed | 1963-04-19 | 1965-08-17 | 2 | Details |
| US3201182A | Thrust bearing | Expired / Lapsed | 1962-03-28 | 1965-08-17 | 2 | Details |
| US3199902A | Ball joint unit with combination thread protector and seal … | Expired / Lapsed | 1962-11-08 | 1965-08-10 | 2 | Details |
| US3199932A | Combined magnetic suspension and transformer | Expired / Lapsed | 1962-03-01 | 1965-08-10 | 2 | Details |
| FR1408068A | Adjustable rear view mirror for vehicle | Expired / Lapsed | 1964-09-17 | 1965-08-06 | 0 | Details |
| US3198279A | Passive guidance system | Expired / Lapsed | 1962-07-09 | 1965-08-03 | 2 | Details |
| US3198334A | Filter for a dry cleaning apparatus | Expired / Lapsed | 1962-02-26 | 1965-08-03 | 2 | Details |
| US3195672A | Multiple operation mode road vehicle control system | Expired / Lapsed | 1963-04-29 | 1965-07-20 | 2 | Details |
| US3192836A | Diaphragm for fuel pumps and the like | Expired / Lapsed | 1962-09-19 | 1965-07-06 | 2 | Details |
| US3192499A | Safety fastening means | Expired / Lapsed | 1961-01-05 | 1965-06-29 | 0 | Details |
| US3189179A | Replaceable filter cartridge for a dry cleaner | Expired / Lapsed | 1962-07-18 | 1965-06-15 | 1 | Details |
| US3188536A | Silicon rectifier encapsulation | Expired / Lapsed | 1960-11-14 | 1965-06-08 | 2 | Details |
| US3186760A | Combination seat belt anchoring and seat braking mechanism | Expired / Lapsed | 1963-05-24 | 1965-06-01 | 2 | Details |
| US3184933A | Washing machine with a reciprocatable and rotatable drive m… | Expired / Lapsed | 1963-03-11 | 1965-05-25 | 2 | Details |
| US3183993A | Speed control system | Expired / Lapsed | 1961-06-07 | 1965-05-18 | 2 | Details |
| US3181419A | Method and apparatus for producing dials | Expired / Lapsed | 1961-09-15 | 1965-05-04 | 2 | Details |
| US3174297A | Refrigerating apparatus with defrost control means | Expired / Lapsed | 1962-12-24 | 1965-03-23 | 2 | Details |
| US3173073A | Battery discharge indicator | Expired / Lapsed | 1960-03-25 | 1965-03-09 | 2 | Details |
| US3170536A | Hydraulic power brake and power steering system | Expired / Lapsed | 1963-06-27 | 1965-02-23 | 1 | Details |
| US3171045A | Timer | Expired / Lapsed | 1960-11-25 | 1965-02-23 | 2 | Details |
| US3168659A | Variable focus transducer | Expired / Lapsed | 1960-01-11 | 1965-02-02 | 0 | Details |
| US3161759A | Electric range heater control | Expired / Lapsed | 1961-12-21 | 1964-12-15 | 2 | Details |
| US3160792A | Electric lock | Expired / Lapsed | 1960-02-24 | 1964-12-08 | 1 | Details |
| US3157244A | Vehicle speed warning and cruise control system with preeng… | Expired / Lapsed | 1962-07-23 | 1964-11-17 | 2 | Details |
| US3157828A | Encapsulated printed circuit module with heat transfer means | Expired / Lapsed | 1960-08-11 | 1964-11-17 | 0 | Details |
| US3152463A | Combination agitating means and spinning means with speed c… | Expired / Lapsed | 1963-06-17 | 1964-10-13 | 2 | Details |
| US3152462A | Clothes washing machine and control means therefor | Expired / Lapsed | 1961-12-13 | 1964-10-13 | 1 | Details |
| US3151663A | Inflatable closure apparatus | Expired / Lapsed | 1961-10-27 | 1964-10-06 | 1 | Details |
| US3147744A | Thermal power plant | Expired / Lapsed | 1959-07-27 | 1964-09-08 | 2 | Details |
| US3146038A | Three-axis magnetic suspension | Expired / Lapsed | 1962-02-07 | 1964-08-25 | 2 | Details |
| US3146052A | Vehicle-panel connector | Expired / Lapsed | 1960-09-12 | 1964-08-25 | 2 | Details |
| US3146051A | Terminal and mounting means | Expired / Lapsed | 1960-09-12 | 1964-08-25 | 2 | Details |
| US3144012A | Internal combustion engine ignition system and tachometer | Expired / Lapsed | 1962-08-29 | 1964-08-11 | 2 | Details |
| US3141707A | Automatic retarder control | Expired / Lapsed | 1963-05-23 | 1964-07-21 | 1 | Details |
| US3137744A | Refrigerating apparatus | Expired / Lapsed | 1961-09-19 | 1964-06-16 | 2 | Details |
| US3132841A | Compressor blade and manufacture thereof | Expired / Lapsed | 1958-05-12 | 1964-05-12 | 2 | Details |
| US3130822A | Plastic molding clip | Expired / Lapsed | 1959-09-25 | 1964-04-28 | 0 | Details |
| US3131292A | Coordinate reference system | Expired / Lapsed | 1957-11-29 | 1964-04-28 | 2 | Details |
| US3129020A | Tray drainhose nipple | Expired / Lapsed | 1961-04-10 | 1964-04-14 | 0 | Details |
| US3128642A | Transmission | Expired / Lapsed | 1960-12-05 | 1964-04-14 | 2 | Details |
| US3129330A | Microwave radiometer system | Expired / Lapsed | 1958-06-30 | 1964-04-14 | 2 | Details |
| US3121852A | Ohmic contacts on semiconductors | Expired / Lapsed | 1960-04-18 | 1964-02-18 | 2 | Details |
| US3120108A | Refrigerating apparatus including defrost control | Expired / Lapsed | 1961-03-30 | 1964-02-04 | 1 | Details |
| US3114949A | Fastening device | Expired / Lapsed | 1961-01-10 | 1963-12-24 | 2 | Details |
| US3115225A | Molding strip installation | Expired / Lapsed | 1960-06-29 | 1963-12-24 | 2 | Details |
| US3110158A | Refrigerating apparatus including defrost means | Expired / Lapsed | 1961-05-29 | 1963-11-12 | 2 | Details |
| US3110380A | Clutch | Expired / Lapsed | 1960-07-18 | 1963-11-12 | 2 | Details |
| US3110795A | Domestic electric appliance | Expired / Lapsed | 1959-09-17 | 1963-11-12 | 0 | Details |
| US3109507A | Vehicle speed warning and cruise control system | Expired / Lapsed | 1962-07-23 | 1963-11-05 | 2 | Details |
| US3107501A | Defrosting control for refrigerating apparatus | Expired / Lapsed | 1961-06-16 | 1963-10-22 | 2 | Details |
| US3105119A | Highway communication system | Expired / Lapsed | 1960-04-07 | 1963-09-24 | 1 | Details |
| US3102398A | Refrigerating apparatus | Expired / Lapsed | 1960-12-27 | 1963-09-03 | 0 | Details |
| US3101012A | Transmission | Expired / Lapsed | 1957-05-27 | 1963-08-20 | 4 | Details |
| US3100021A | Manual-automatic cruise control circuit | Expired / Lapsed | 1962-03-16 | 1963-08-06 | 2 | Details |
| US3099499A | Anti-skid device | Expired / Lapsed | 1960-11-18 | 1963-07-30 | 1 | Details |
| US3096728A | High speed land transportation system and vehicle therefor | Expired / Lapsed | 1961-05-01 | 1963-07-09 | 2 | Details |
| US3096994A | Caster and camber adjustment means | Expired / Lapsed | 1959-08-24 | 1963-07-09 | 2 | Details |
| US3096666A | Transmission | Expired / Lapsed | 1955-12-22 | 1963-07-09 | 2 | Details |
| US3093124A | Engine fuel vapor recovery system and method | Expired / Lapsed | 1960-12-23 | 1963-06-11 | 2 | Details |
| US3093739A | Method for determining fluid flow in a conduit | Expired / Lapsed | 1958-03-10 | 1963-06-11 | 2 | Details |
| US3091946A | Cabinet and process for making same | Expired / Lapsed | 1958-10-06 | 1963-06-04 | 2 | Details |
| US3091486A | Ball joint | Expired / Lapsed | 1960-07-14 | 1963-05-28 | 2 | Details |
| US3090256A | Transmission controls | Expired / Lapsed | 1961-08-30 | 1963-05-21 | 2 | Details |
| US3088337A | Transmission control system | Expired / Lapsed | 1961-03-27 | 1963-05-07 | 2 | Details |
| US3088538A | Vehicle speed warning and cruise control system | Expired / Lapsed | 1960-11-07 | 1963-05-07 | 2 | Details |
| US3088555A | Shock absorber with sleeved piston | Expired / Lapsed | 1959-07-27 | 1963-05-07 | 2 | Details |
| US3088889A | Electrolytic machining of metal surfaces | Expired / Lapsed | 1959-06-08 | 1963-05-07 | 2 | Details |
| US3089067A | Semiconductor device | Expired / Lapsed | 1957-09-30 | 1963-05-07 | 2 | Details |
| US3087090A | Ignition system | Expired / Lapsed | 1961-03-13 | 1963-04-23 | 2 | Details |
| US3086544A | Check valve | Expired / Lapsed | 1960-10-12 | 1963-04-23 | 1 | Details |
| US3084371A | Windshield cleaning system | Expired / Lapsed | 1961-06-19 | 1963-04-09 | 2 | Details |
| US3084535A | Brake fluid testing apparatus | Expired / Lapsed | 1960-05-12 | 1963-04-09 | 2 | Details |
| US3085059A | Fuel element for nuclear reactors | Expired / Lapsed | 1958-10-02 | 1963-04-09 | 1 | Details |
| US3083588A | Automatic transmission | Expired / Lapsed | 1958-03-12 | 1963-04-02 | 2 | Details |
| US3082937A | Refrigerating apparatus | Expired / Lapsed | 1960-11-25 | 1963-03-26 | 2 | Details |
| US3081648A | Compound epicyclic gear mechanism | Expired / Lapsed | 1961-03-22 | 1963-03-19 | 2 | Details |
| US3081854A | Torque transmitting device | Expired / Lapsed | 1959-08-20 | 1963-03-19 | 2 | Details |
| US3080615A | Commutator and method of attaching same | Expired / Lapsed | 1958-11-17 | 1963-03-12 | 2 | Details |
| US3078688A | Refrigeration | Expired / Lapsed | 1961-12-06 | 1963-02-26 | 1 | Details |
| US3078079A | Air valve carburetor | Expired / Lapsed | 1960-06-29 | 1963-02-19 | 2 | Details |
| US3075430A | Non-glare mirror | Expired / Lapsed | 1960-07-06 | 1963-01-29 | 1 | Details |
| US3075686A | Refrigerating apparatus | Expired / Lapsed | 1957-11-20 | 1963-01-29 | 2 | Details |
| US3073522A | Digital counter | Expired / Lapsed | 1959-07-30 | 1963-01-15 | 2 | Details |
| US3070973A | Refrigerating apparatus | Expired / Lapsed | 1961-06-16 | 1963-01-01 | 1 | Details |
| US3070185A | Electronic speed control system | Expired / Lapsed | 1960-10-17 | 1962-12-25 | 0 | Details |
| US3070032A | Filter for fluid pressure transmission device or the like | Expired / Lapsed | 1960-08-31 | 1962-12-25 | 0 | Details |
| US3070307A | Cross-wind compensation computer | Expired / Lapsed | 1958-11-28 | 1962-12-25 | 0 | Details |
| US3069645A | Pressure-resistance transducers | Expired / Lapsed | 1960-02-01 | 1962-12-18 | 0 | Details |
| US3068924A | Nut assembly | Expired / Lapsed | 1958-04-18 | 1962-12-18 | 0 | Details |
| US3064779A | Transmission | Expired / Lapsed | 1960-02-24 | 1962-11-20 | 0 | Details |
| US3062312A | Turnpike throttle control | Expired / Lapsed | 1960-12-21 | 1962-11-06 | 0 | Details |
| US3060712A | Washing machine having an agitate drive with a flexible cou… | Expired / Lapsed | 1961-07-31 | 1962-10-30 | 0 | Details |
| US3061060A | One-way clutch | Expired / Lapsed | 1960-03-29 | 1962-10-30 | 0 | Details |
| US3060370A | Displacement transducer | Expired / Lapsed | 1960-02-23 | 1962-10-23 | 0 | Details |
| US3057304A | Vane pump | Expired / Lapsed | 1960-02-03 | 1962-10-09 | 0 | Details |
| US3057557A | Transistorized heater control system | Expired / Lapsed | 1959-04-16 | 1962-10-09 | 0 | Details |
| US3056542A | Refrigerating apparatus | Expired / Lapsed | 1960-11-10 | 1962-10-02 | 0 | Details |
| US3056353A | Fluid actuated pump | Expired / Lapsed | 1960-10-07 | 1962-10-02 | 0 | Details |
| US3055472A | One-way clutches | Expired / Lapsed | 1959-09-30 | 1962-09-25 | 0 | Details |
| US3055971A | Panel wiring assemblies | Expired / Lapsed | 1959-09-25 | 1962-09-25 | 0 | Details |
| US3053116A | Transmission | Expired / Lapsed | 1958-04-25 | 1962-09-11 | 0 | Details |
| US3052869A | Obstacle detection system | Expired / Lapsed | 1958-09-08 | 1962-09-04 | 0 | Details |
| US3050956A | Refrigerating apparatus with frost free compartment | Expired / Lapsed | 1960-07-08 | 1962-08-28 | 0 | Details |
| US3050661A | Transistorized receiver for door operator | Expired / Lapsed | 1958-10-03 | 1962-08-21 | 0 | Details |
| US3048985A | Refrigerating apparatus | Expired / Lapsed | 1960-12-13 | 1962-08-14 | 0 | Details |
| US3049654A | Electric motor driven domestic appliance | Expired / Lapsed | 1958-06-27 | 1962-08-14 | 0 | Details |
| US3048764A | Transistor converter circuit | Expired / Lapsed | 1960-12-20 | 1962-08-07 | 0 | Details |
| US3048718A | Transient responsive protection circuit | Expired / Lapsed | 1959-01-13 | 1962-08-07 | 0 | Details |
| US3048041A | Unbalance indicator | Expired / Lapsed | 1957-02-06 | 1962-08-07 | 0 | Details |
| US3046840A | Remotely controlled rear view mirror | Expired / Lapsed | 1959-08-27 | 1962-07-31 | 0 | Details |
| US3047235A | Thermosensitive radiator caps | Expired / Lapsed | 1959-04-15 | 1962-07-31 | 0 | Details |
| US3046447A | Internal combustion engine ignition system | Expired / Lapsed | 1960-06-23 | 1962-07-24 | 0 | Details |
| US3045601A | Mechanical heart pump or the like | Expired / Lapsed | 1953-07-28 | 1962-07-24 | 0 | Details |
| US3043114A | Temperature controls for refrigerating apparatus | Expired / Lapsed | 1961-01-09 | 1962-07-10 | 0 | Details |
| US3044043A | Vehicle signalling apparatus for warning of approaching roa… | Expired / Lapsed | 1958-07-21 | 1962-07-10 | 0 | Details |
| US3042137A | Vehicle instrument and dashboard assemblies | Expired / Lapsed | 1959-09-09 | 1962-07-03 | 0 | Details |
| US3039798A | Crank assembly and method of attaching cylindrical member t… | Expired / Lapsed | 1959-07-20 | 1962-06-19 | 0 | Details |
| US3039254A | Air cleaner and silencer assembly | Expired / Lapsed | 1958-08-08 | 1962-06-19 | 0 | Details |
| US3037183A | Electric terminal means | Expired / Lapsed | 1958-06-26 | 1962-05-29 | 0 | Details |
| US3034314A | Refrigerating apparatus | Expired / Lapsed | 1961-03-22 | 1962-05-15 | 0 | Details |
| US3034810A | Ball joint assembly for caster and camber adjustment | Expired / Lapsed | 1958-11-03 | 1962-05-15 | 0 | Details |
| US3033319A | Brake adjuster | Expired / Lapsed | 1960-04-06 | 1962-05-08 | 0 | Details |
| US3034070A | Multivibrator controlled oscillator | Expired / Lapsed | 1959-08-31 | 1962-05-08 | 0 | Details |
| US3033622A | Bushing | Expired / Lapsed | 1959-07-08 | 1962-05-08 | 0 | Details |
| US3033587A | Independent front wheel suspension | Expired / Lapsed | 1959-05-04 | 1962-05-08 | 0 | Details |
| US3033051A | Power steering gear | Expired / Lapsed | 1959-03-05 | 1962-05-08 | 0 | Details |
| US3033305A | Vehicle guidance system | Expired / Lapsed | 1958-05-19 | 1962-05-08 | 0 | Details |
| US3031528A | Loudness meter | Expired / Lapsed | 1960-11-01 | 1962-04-24 | 0 | Details |
| US3031145A | Electrostatic spray painting apparatus | Expired / Lapsed | 1959-09-21 | 1962-04-24 | 0 | Details |
| US3029662A | Power transmission system | Expired / Lapsed | 1959-11-27 | 1962-04-17 | 0 | Details |
| US3029596A | Power plant heat storage arrangement | Expired / Lapsed | 1959-11-17 | 1962-04-17 | 0 | Details |
| US3027884A | Engine device for reducing unburned hydrocarbons | Expired / Lapsed | 1960-11-18 | 1962-04-03 | 1 | Details |
| US3027807A | Remotely controlled mirror | Expired / Lapsed | 1958-11-28 | 1962-04-03 | 0 | Details |
| US3028596A | Radiometer technique for classifying materials | Expired / Lapsed | 1958-06-30 | 1962-04-03 | 0 | Details |
| US3024134A | Nickel chemical reduction plating bath and method of using … | Expired / Lapsed | 1953-07-24 | 1962-03-06 | 2 | Details |
| US3022772A | Rotary power steering valve with torsion bar centering | Expired / Lapsed | 1958-09-19 | 1962-02-27 | 0 | Details |
| US3022850A | Single stick member for controlling the operation of motor … | Expired / Lapsed | 1958-04-11 | 1962-02-27 | 0 | Details |
| US3021701A | Clothes washing machine and single phase induction motor th… | Expired / Lapsed | 1960-06-23 | 1962-02-20 | 0 | Details |
| US3019668A | Transmission | Expired / Lapsed | 1956-07-25 | 1962-02-06 | 0 | Details |
| US3019670A | Transmission | Expired / Lapsed | 1956-07-17 | 1962-02-06 | 0 | Details |
| US3018649A | Automatic washer having control means regulating the speed … | Expired / Lapsed | 1958-06-27 | 1962-01-30 | 0 | Details |
| US3018457A | Closed system resistance units | Expired / Lapsed | 1959-06-22 | 1962-01-23 | 0 | Details |
| US3017773A | Balancing machine | Expired / Lapsed | 1956-06-07 | 1962-01-23 | 0 | Details |
| US3017631A | Selective paging receiver | Expired / Lapsed | 1958-03-24 | 1962-01-16 | 0 | Details |
| US3013399A | Refrigerating apparatus | Expired / Lapsed | 1959-08-31 | 1961-12-19 | 0 | Details |
| US3011580A | Automatic vehicle control system | Expired / Lapsed | 1958-10-29 | 1961-12-05 | 0 | Details |
| US3011713A | Cross-correlator | Expired / Lapsed | 1958-06-30 | 1961-12-05 | 0 | Details |
| US3010403A | Variable pressure fluid pump | Expired / Lapsed | 1959-06-08 | 1961-11-28 | 0 | Details |
| US3011122A | Binary timer control | Expired / Lapsed | 1958-02-06 | 1961-11-28 | 0 | Details |
| US3010476A | Pump valve assembly | Expired / Lapsed | 1958-01-06 | 1961-11-28 | 0 | Details |
| US3010313A | Data translation system | Expired / Lapsed | 1956-10-01 | 1961-11-28 | 0 | Details |
| US3006556A | Unit fuel pump-injector | Expired / Lapsed | 1961-01-03 | 1961-10-31 | 0 | Details |
| US3006363A | Check valve | Expired / Lapsed | 1958-11-20 | 1961-10-31 | 0 | Details |
| US3006148A | Transmission pump system | Expired / Lapsed | 1958-10-06 | 1961-10-31 | 0 | Details |
| US3004401A | Forced air cooled refrigerator | Expired / Lapsed | 1960-07-08 | 1961-10-17 | 0 | Details |
| US3004447A | Transmission control device | Expired / Lapsed | 1956-10-16 | 1961-10-17 | 0 | Details |
| US3003091A | Power drive apparatus | Expired / Lapsed | 1959-04-06 | 1961-10-03 | 0 | Details |
| US3001519A | Fuel vapor loss elimination system | Expired / Lapsed | 1960-08-08 | 1961-09-26 | 0 | Details |
| US2998244A | Self-leveling fluid spring | Expired / Lapsed | 1959-05-14 | 1961-08-29 | 0 | Details |
| US2997857A | Refrigerating apparatus | Expired / Lapsed | 1958-09-04 | 1961-08-29 | 0 | Details |
| US2997776A | Electrical apparatus and method of making same | Expired / Lapsed | 1958-05-26 | 1961-08-29 | 0 | Details |
| US2998397A | Bearing element comprising thermoplastic resin and sintered… | Expired / Lapsed | 1955-05-18 | 1961-08-29 | 2 | Details |
| US2996013A | Anti-surge valve for power steering pump | Expired / Lapsed | 1959-09-24 | 1961-08-15 | 0 | Details |
| US2996688A | Frequency selective circuit with angular oscillation device | Expired / Lapsed | 1958-07-02 | 1961-08-15 | 0 | Details |
| US2995949A | Transmission control system | Expired / Lapsed | 1958-03-14 | 1961-08-15 | 0 | Details |
| US2996268A | Inertial guidance system | Expired / Lapsed | 1957-11-25 | 1961-08-15 | 0 | Details |
| US2996666A | Automatic test apparatus | Expired / Lapsed | 1957-07-12 | 1961-08-15 | 0 | Details |
| US2995985A | Bomb release mechanism delay compensation computer | Expired / Lapsed | 1956-07-16 | 1961-08-15 | 0 | Details |
| US2994209A | Frostless refrigerator | Expired / Lapsed | 1959-02-26 | 1961-08-01 | 0 | Details |
| US2992545A | Refrigerating apparatus | Expired / Lapsed | 1959-05-27 | 1961-07-18 | 0 | Details |
| US2991628A | Refrigerating apparatus | Expired / Lapsed | 1959-09-15 | 1961-07-11 | 0 | Details |
| US2991804A | Air suspension and control apparatus therefor | Expired / Lapsed | 1959-05-27 | 1961-07-11 | 0 | Details |
| US2991649A | Engine test stand | Expired / Lapsed | 1958-03-14 | 1961-07-11 | 0 | Details |
| US2991405A | Transistorized motor control system responsive to temperatu… | Expired / Lapsed | 1960-02-19 | 1961-07-04 | 0 | Details |
| US2990925A | Transmission clutch control | Expired / Lapsed | 1959-05-11 | 1961-07-04 | 0 | Details |
| US2990902A | Automatic car control system | Expired / Lapsed | 1958-11-03 | 1961-07-04 | 0 | Details |
| US2989724A | Electrical connector | Expired / Lapsed | 1960-04-04 | 1961-06-20 | 0 | Details |
| US2989644A | Safety systems for electric fuel pumps | Expired / Lapsed | 1960-01-25 | 1961-06-20 | 0 | Details |
| US2988960A | Bombing navigational computer | Expired / Lapsed | 1956-07-16 | 1961-06-20 | 0 | Details |
| US2986125A | Vacuum motor | Expired / Lapsed | 1959-07-30 | 1961-05-30 | 0 | Details |
| US2985003A | Sonic washer | Expired / Lapsed | 1957-01-11 | 1961-05-23 | 0 | Details |
| US2985373A | Obstacle clearance computer system for aircraft | Expired / Lapsed | 1956-07-16 | 1961-05-23 | 0 | Details |
| US2985833A | Balancing apparatus | Expired / Lapsed | 1955-11-30 | 1961-05-23 | 0 | Details |
| US2983328A | Motor vehicle suspension | Expired / Lapsed | 1959-02-26 | 1961-05-09 | 0 | Details |
| US2983545A | Vehicle seat positioning apparatus | Expired / Lapsed | 1958-06-30 | 1961-05-09 | 0 | Details |
| US2982115A | Refrigerating apparatus | Expired / Lapsed | 1958-09-23 | 1961-05-02 | 0 | Details |
| US2980093A | Electronic ignition | Expired / Lapsed | 1958-09-12 | 1961-04-18 | 0 | Details |
| US2979617A | Scintillation detector circuit | Expired / Lapsed | 1957-11-29 | 1961-04-11 | 0 | Details |
| US2978928A | Transmission | Expired / Lapsed | 1957-05-06 | 1961-04-11 | 0 | Details |
| US2978253A | Independent front wheel suspension caster and camber adjust… | Expired / Lapsed | 1959-09-04 | 1961-04-04 | 0 | Details |
| US2978320A | Method for producing a high strength ferrous metal | Expired / Lapsed | 1958-12-29 | 1961-04-04 | 2 | Details |
| US2977925A | Apparatus for measuring the amount of radioactive material … | Expired / Lapsed | 1955-01-03 | 1961-04-04 | 0 | Details |
| US2977506A | Electronic ignition system | Expired / Lapsed | 1959-10-29 | 1961-03-28 | 0 | Details |
| US2976710A | Automatic clothes washing machine | Expired / Lapsed | 1958-07-14 | 1961-03-28 | 0 | Details |
| US2975007A | Self-aligning bearing mounting | Expired / Lapsed | 1958-11-14 | 1961-03-14 | 0 | Details |
| US2974601A | Free piston fluid pumps | Expired / Lapsed | 1958-10-15 | 1961-03-14 | 0 | Details |
| US2969965A | Fuel metering pin | Expired / Lapsed | 1958-06-11 | 1961-01-31 | 0 | Details |
| US2968197A | Transmission | Expired / Lapsed | 1958-03-14 | 1961-01-17 | 0 | Details |
| US2968555A | Treatment of metal surfaces | Expired / Lapsed | 1958-01-13 | 1961-01-17 | 0 | Details |
| US2968358A | Swing axle suspension for vehicle driving wheels | Expired / Lapsed | 1957-12-30 | 1961-01-17 | 0 | Details |
| US2966033A | Refrigerating apparatus | Expired / Lapsed | 1958-12-03 | 1960-12-27 | 0 | Details |
| US2966559A | Circuit controller | Expired / Lapsed | 1957-06-17 | 1960-12-27 | 0 | Details |
| US2963217A | Fluid compressor | Expired / Lapsed | 1956-09-17 | 1960-12-06 | 0 | Details |
| US2962183A | Refrigerator cabinet | Expired / Lapsed | 1957-11-14 | 1960-11-29 | 0 | Details |
| US2962110A | Surge muffler for air storage tank | Expired / Lapsed | 1957-08-09 | 1960-11-29 | 0 | Details |
| US2961520A | Domestic appliance | Expired / Lapsed | 1957-04-02 | 1960-11-22 | 0 | Details |
| US2959803A | Windshield cleaning system | Expired / Lapsed | 1958-01-10 | 1960-11-15 | 0 | Details |
| US2958925A | Shot peen inspection technique | Expired / Lapsed | 1959-05-05 | 1960-11-08 | 0 | Details |
| US2959064A | Rotary actuator | Expired / Lapsed | 1958-04-11 | 1960-11-08 | 0 | Details |
| US2957464A | Fuel injection system | Expired / Lapsed | 1956-06-18 | 1960-10-25 | 0 | Details |
| US2956705A | Cabinet framework | Expired / Lapsed | 1957-08-26 | 1960-10-18 | 0 | Details |
| US2954530A | Direct current transistor amplifier | Expired / Lapsed | 1958-07-03 | 1960-09-27 | 0 | Details |
| US2951447A | Impeller pumps with magnentic drives | Expired / Lapsed | 1958-07-31 | 1960-09-06 | 0 | Details |
| US2951674A | Shockproof mounting | Expired / Lapsed | 1957-09-23 | 1960-09-06 | 0 | Details |
| US2949541A | Power plant control | Expired / Lapsed | 1957-07-15 | 1960-08-16 | 0 | Details |
| US2948263A | Propeller torque unit construction | Expired / Lapsed | 1958-05-19 | 1960-08-09 | 0 | Details |
| US2948651A | Plastic article and method of producing same | Expired / Lapsed | 1956-02-24 | 1960-08-09 | 2 | Details |
| US2946241A | Transmission | Expired / Lapsed | 1957-08-05 | 1960-07-26 | 0 | Details |
| US2946713A | Process for embossing decorative articles | Expired / Lapsed | 1955-10-06 | 1960-07-26 | 2 | Details |
| US2944188A | Automatic light controlled headlamp means | Expired / Lapsed | 1958-04-10 | 1960-07-05 | 0 | Details |
| US2943652A | Power operated tool for feeding and driving headed fasteners | Expired / Lapsed | 1955-12-06 | 1960-07-05 | 0 | Details |
| US2942917A | Composite air brake and air suspension charging and signali… | Expired / Lapsed | 1957-05-02 | 1960-06-28 | 0 | Details |
| US2942954A | Non-hazardous etching solutions | Expired / Lapsed | 1955-10-20 | 1960-06-28 | 2 | Details |
| US2941620A | Filter element | Expired / Lapsed | 1958-09-17 | 1960-06-21 | 0 | Details |
| US2942184A | Vehicle accelerometer | Expired / Lapsed | 1957-07-15 | 1960-06-21 | 0 | Details |
| US2939722A | Vehicle roll control device with steering responsive overri… | Expired / Lapsed | 1957-10-28 | 1960-06-07 | 0 | Details |
| US2936739A | Fluid power steering | Expired / Lapsed | 1956-03-16 | 1960-05-17 | 0 | Details |
| US2935156A | Combined air filtering and air disinfecting unit mounting | Expired / Lapsed | 1958-01-23 | 1960-05-03 | 0 | Details |
| US2935365A | Seal | Expired / Lapsed | 1958-01-02 | 1960-05-03 | 0 | Details |
| US2935063A | Variable pressure fluid drive mechanism | Expired / Lapsed | 1957-09-16 | 1960-05-03 | 0 | Details |
| US2933942A | Unitary mechanisms for sequential control | Expired / Lapsed | 1955-09-16 | 1960-04-26 | 0 | Details |
| US2932988A | Transmission | Expired / Lapsed | 1956-08-27 | 1960-04-19 | 0 | Details |
| US2931851A | Snap in retainer for wiring harness | Expired / Lapsed | 1956-03-12 | 1960-04-05 | 0 | Details |
| US2930257A | Transmission | Expired / Lapsed | 1955-01-26 | 1960-03-29 | 0 | Details |
| US2929439A | Vehicle seat adjuster | Expired / Lapsed | 1958-07-30 | 1960-03-22 | 0 | Details |
| US2929226A | Throttle control mechanism | Expired / Lapsed | 1957-10-21 | 1960-03-22 | 0 | Details |
| US2929478A | Transmission control system | Expired / Lapsed | 1957-06-11 | 1960-03-22 | 0 | Details |
| US2929640A | Height adjuster for automobile suspension | Expired / Lapsed | 1957-05-06 | 1960-03-22 | 0 | Details |
| US2929551A | Refrigerating apparatus | Expired / Lapsed | 1956-09-17 | 1960-03-22 | 0 | Details |
| US2925618A | Windshield cleaning system | Expired / Lapsed | 1958-01-10 | 1960-02-23 | 0 | Details |
| US2924968A | Press load measuring apparatus | Expired / Lapsed | 1958-01-27 | 1960-02-16 | 0 | Details |
| US2924701A | Die process or method | Expired / Lapsed | 1957-12-20 | 1960-02-09 | 0 | Details |
| US2923029A | Foam rubber strip manufacturing process | Expired / Lapsed | 1954-04-15 | 1960-02-02 | 0 | Details |
| US2922865A | Process and apparatus for dielectric heating | Expired / Lapsed | 1958-05-26 | 1960-01-26 | 2 | Details |
| US2922437A | Fluid flow control means | Expired / Lapsed | 1955-03-16 | 1960-01-26 | 0 | Details |
| US2919960A | Precision spindle | Expired / Lapsed | 1958-10-15 | 1960-01-05 | 0 | Details |
| US2919686A | Split engine | Expired / Lapsed | 1958-10-10 | 1960-01-05 | 0 | Details |
| US2919760A | Adjustable suspension for vehicle driving wheels | Expired / Lapsed | 1957-09-09 | 1960-01-05 | 0 | Details |
| US2920247A | Stable multivibrator | Expired / Lapsed | 1955-08-12 | 1960-01-05 | 0 | Details |
| US2919150A | Ball joint assemblies | Expired / Lapsed | 1955-02-15 | 1959-12-29 | 0 | Details |
| US2916566A | Circuit controller | Expired / Lapsed | 1958-03-13 | 1959-12-08 | 0 | Details |
| US2914109A | Method for making embossed decorative articles | Expired / Lapsed | 1957-04-08 | 1959-11-24 | 0 | Details |
| US2912834A | Refrigerating apparatus | Expired / Lapsed | 1957-01-08 | 1959-11-17 | 0 | Details |
| US2912854A | Ultrasonic surface testing device | Expired / Lapsed | 1955-05-27 | 1959-11-17 | 0 | Details |
| US2912853A | Ultrasonic transmission testing method | Expired / Lapsed | 1955-04-18 | 1959-11-17 | 0 | Details |
| US2910915A | Safety rear vision mirror | Expired / Lapsed | 1956-09-13 | 1959-11-03 | 0 | Details |
| US2909624A | Circuit controller | Expired / Lapsed | 1957-07-03 | 1959-10-20 | 0 | Details |
| US2908190A | Transmission | Expired / Lapsed | 1957-10-07 | 1959-10-13 | 0 | Details |
| US2907180A | Refrigerating apparatus having air control means for multip… | Expired / Lapsed | 1956-10-19 | 1959-10-06 | 0 | Details |
| US2907247A | Sighting device | Expired / Lapsed | 1956-09-17 | 1959-10-06 | 0 | Details |
| US2905832A | Power supply means | Expired / Lapsed | 1957-06-24 | 1959-09-22 | 0 | Details |
| US2904905A | All wheel drive scraper | Expired / Lapsed | 1954-09-14 | 1959-09-22 | 0 | Details |
| US2904063A | Flow control mechanism | Expired / Lapsed | 1955-09-19 | 1959-09-15 | 0 | Details |
| US2902902A | Remote control mirror assembly | Expired / Lapsed | 1956-09-17 | 1959-09-08 | 0 | Details |
| US2898285A | Electroplating rack | Expired / Lapsed | 1958-02-03 | 1959-08-04 | 2 | Details |
| US2897533A | Grommets, bushings and the like | Expired / Lapsed | 1956-02-16 | 1959-08-04 | 0 | Details |
| US2897684A | In-line hydraulic power steering gear | Expired / Lapsed | 1954-05-21 | 1959-08-04 | 0 | Details |
| US2896889A | Flexible retainer | Expired / Lapsed | 1957-10-02 | 1959-07-28 | 0 | Details |
| US2896146A | Oscillator starting circuit | Expired / Lapsed | 1958-04-14 | 1959-07-21 | 0 | Details |
| US2893470A | Adjustable seat | Expired / Lapsed | 1957-10-07 | 1959-07-07 | 0 | Details |
| US2893751A | Vehicle anti-roll device and power steering control therefor | Expired / Lapsed | 1954-12-27 | 1959-07-07 | 0 | Details |
| US2891331A | Transport dolly | Expired / Lapsed | 1956-04-11 | 1959-06-23 | 0 | Details |
| US2889782A | Fuel pump with magnet | Expired / Lapsed | 1956-06-06 | 1959-06-09 | 0 | Details |
| US2888611A | Light controlled headlight on-off switch | Expired / Lapsed | 1957-09-13 | 1959-05-26 | 0 | Details |
| US2888248A | Rotary regenerator seal | Expired / Lapsed | 1956-07-05 | 1959-05-26 | 0 | Details |
| US2886133A | Oil mist turbine lubrication | Expired / Lapsed | 1955-11-30 | 1959-05-12 | 0 | Details |
| US2885919A | Tool | Expired / Lapsed | 1954-07-08 | 1959-05-12 | 0 | Details |
| US2884803A | Force applying lever and linkage system | Expired / Lapsed | 1956-09-26 | 1959-05-05 | 0 | Details |
| US2884957A | Flexible tubing | Expired / Lapsed | 1956-02-13 | 1959-05-05 | 0 | Details |
| US2884668A | Plural coated spongy sealing strip | Expired / Lapsed | 1954-08-31 | 1959-05-05 | 2 | Details |
| US2882068A | Air suspension control system | Expired / Lapsed | 1956-10-22 | 1959-04-14 | 0 | Details |
| US2882391A | Electric radio tuner | Expired / Lapsed | 1954-09-07 | 1959-04-14 | 0 | Details |
| US2880586A | Fluid system with priority valve | Expired / Lapsed | 1955-10-25 | 1959-04-07 | 0 | Details |
| US2879091A | Ball joint assembly | Expired / Lapsed | 1955-02-15 | 1959-03-24 | 0 | Details |
| US2877333A | Domestic appliance | Expired / Lapsed | 1955-01-14 | 1959-03-10 | 0 | Details |
| US2876116A | Chemical plating bath and process | Expired / Lapsed | 1955-12-29 | 1959-03-03 | 2 | Details |
| US2876132A | Process of coating steel tubing | Expired / Lapsed | 1952-07-19 | 1959-03-03 | 2 | Details |
| US2875016A | Domestic appliances | Expired / Lapsed | 1954-07-22 | 1959-02-24 | 0 | Details |
| US2874245A | Circuit breaker | Expired / Lapsed | 1954-01-19 | 1959-02-17 | 0 | Details |
| US2872539A | Steering wheel | Expired / Lapsed | 1956-07-12 | 1959-02-03 | 0 | Details |
| US2871846A | Pump | Expired / Lapsed | 1955-12-27 | 1959-02-03 | 0 | Details |
| US2872141A | Cable hanger | Expired / Lapsed | 1953-11-27 | 1959-02-03 | 0 | Details |
| US2872000A | Transmission and brake control system | Expired / Lapsed | 1953-05-13 | 1959-02-03 | 0 | Details |
| US2871063A | Brake system | Expired / Lapsed | 1955-08-30 | 1959-01-27 | 0 | Details |
| US2869506A | Transmission control indicator mechanism | Expired / Lapsed | 1957-07-29 | 1959-01-20 | 0 | Details |
| US2870362A | Pre-aimed light projector | Expired / Lapsed | 1955-06-15 | 1959-01-20 | 0 | Details |
| US2869585A | Flexible diaphragm | Expired / Lapsed | 1954-02-15 | 1959-01-20 | 0 | Details |
| US2867093A | Defrosting arrangement for refrigerating system | Expired / Lapsed | 1955-12-20 | 1959-01-06 | 0 | Details |
| US2867129A | Fluid power steering valve | Expired / Lapsed | 1953-10-28 | 1959-01-06 | 0 | Details |
| US2867460A | Turbine rotor assembly | Expired / Lapsed | 1953-10-21 | 1959-01-06 | 0 | Details |
| US2866323A | Forced air cooled refrigerator | Expired / Lapsed | 1955-12-27 | 1958-12-30 | 0 | Details |
| US2866908A | Engine starting apparatus | Expired / Lapsed | 1955-10-24 | 1958-12-30 | 0 | Details |
| US2865091A | Ring assembly fixture | Expired / Lapsed | 1954-12-30 | 1958-12-23 | 0 | Details |
| US2865220A | Control mechanism | Expired / Lapsed | 1953-11-12 | 1958-12-23 | 0 | Details |
| US2864473A | Transmission | Expired / Lapsed | 1955-12-28 | 1958-12-16 | 0 | Details |
| US2864479A | Transmission-hydraulic clutch bleed-off valve | Expired / Lapsed | 1955-01-17 | 1958-12-16 | 0 | Details |
| US2863300A | Refrigerating apparatus | Expired / Lapsed | 1955-10-28 | 1958-12-09 | 0 | Details |
| US2862741A | Oscillatory joint | Expired / Lapsed | 1956-10-16 | 1958-12-02 | 0 | Details |
| US2862490A | Engine | Expired / Lapsed | 1954-10-20 | 1958-12-02 | 0 | Details |
| US2861474A | Split torque converter transmission | Expired / Lapsed | 1957-07-25 | 1958-11-25 | 0 | Details |
| US2860720A | Adjustable toeboard for an automobile | Expired / Lapsed | 1956-01-18 | 1958-11-18 | 0 | Details |
| US2861234A | Servo controlled follower system | Expired / Lapsed | 1954-03-15 | 1958-11-18 | 0 | Details |
| US2859877A | Suspension system for spinner type washing machine | Expired / Lapsed | 1954-08-30 | 1958-11-11 | 0 | Details |
| US2858805A | Means for reducing relief valve squeal in a hydraulic power… | Expired / Lapsed | 1954-01-11 | 1958-11-04 | 0 | Details |
| US2858715A | Solenoid driven tuner with manual drive | Expired / Lapsed | 1954-01-08 | 1958-11-04 | 0 | Details |
| US2858095A | Valving device | Expired / Lapsed | 1955-08-26 | 1958-10-28 | 0 | Details |
| US2858112A | Heat exchanger | Expired / Lapsed | 1955-05-25 | 1958-10-28 | 0 | Details |
| US2856674A | Method of connecting an insulated conductor to a connector … | Expired / Lapsed | 1952-07-26 | 1958-10-21 | 0 | Details |
| US2853986A | Crankcase ventilation system | Expired / Lapsed | 1955-10-07 | 1958-09-30 | 0 | Details |
| US2853638A | Inductor generator | Expired / Lapsed | 1957-01-11 | 1958-09-23 | 0 | Details |
| US2852009A | Cooling liquid circulating system for engines | Expired / Lapsed | 1952-11-19 | 1958-09-16 | 0 | Details |
| US2850870A | Bi-metallic bourdon tube | Expired / Lapsed | 1952-07-25 | 1958-09-09 | 0 | Details |
| US2849906A | Seal removal tool | Expired / Lapsed | 1956-01-27 | 1958-09-02 | 0 | Details |
| US2849346A | Method of making a composite friction unit clutch plate | Expired / Lapsed | 1955-01-31 | 1958-08-26 | 1 | Details |
| US2848009A | Unloading valve | Expired / Lapsed | 1956-02-16 | 1958-08-19 | 0 | Details |
| US2848262A | Wheel slide control for dynamic braking | Expired / Lapsed | 1952-07-29 | 1958-08-19 | 0 | Details |
| US2845693A | Method of manufacture of welded electrical terminals | Expired / Lapsed | 1953-12-11 | 1958-08-05 | 0 | Details |
| US2843744A | Transistor oscillator starting circuit | Expired / Lapsed | 1955-11-14 | 1958-07-15 | 0 | Details |
| US2843802A | Tell-tale circuit | Expired / Lapsed | 1955-09-01 | 1958-07-15 | 0 | Details |
| US2840002A | Fuel pumps of the diaphragm type | Expired / Lapsed | 1954-10-08 | 1958-06-24 | 0 | Details |
| US2840404A | Fastening device | Expired / Lapsed | 1954-08-19 | 1958-06-24 | 0 | Details |
| US2840758A | Light sensitive control system | Expired / Lapsed | 1954-03-26 | 1958-06-24 | 0 | Details |
| US2838436A | Method of bonding | Expired / Lapsed | 1955-11-03 | 1958-06-10 | 0 | Details |
| US2837288A | Automotive heating, ventilating and defrosting system | Expired / Lapsed | 1953-12-11 | 1958-06-03 | 0 | Details |
| US2837270A | Axial flow compressor | Expired / Lapsed | 1952-07-24 | 1958-06-03 | 0 | Details |
| US2835720A | Battery vent plug | Expired / Lapsed | 1955-05-09 | 1958-05-20 | 0 | Details |
| US2835393A | Filter elements | Expired / Lapsed | 1954-09-27 | 1958-05-20 | 0 | Details |
| US2832428A | Brake cooling system | Expired / Lapsed | 1955-12-19 | 1958-04-29 | 0 | Details |
| US2832708A | Method of treating stainless steel to improve its corrosion… | Expired / Lapsed | 1955-11-25 | 1958-04-29 | 2 | Details |
| US2832294A | Heart pump | Expired / Lapsed | 1954-02-18 | 1958-04-29 | 0 | Details |
| US2829002A | Seat positioning mechanism | Expired / Lapsed | 1955-09-15 | 1958-04-01 | 0 | Details |
| US2828840A | Liquid cooled friction brake | Expired / Lapsed | 1955-04-28 | 1958-04-01 | 0 | Details |
| US2828911A | Unbalance data correction apparatus | Expired / Lapsed | 1954-09-27 | 1958-04-01 | 0 | Details |
| US2828831A | Fluid cleaner | Expired / Lapsed | 1953-11-02 | 1958-04-01 | 0 | Details |
| US2827974A | Power steering gear of the hydraulic type | Expired / Lapsed | 1953-11-04 | 1958-03-25 | 0 | Details |
| US2827989A | Hydrodynamic drive and brake | Expired / Lapsed | 1953-07-03 | 1958-03-25 | 0 | Details |
| US2827123A | Power steering gear | Expired / Lapsed | 1955-03-28 | 1958-03-18 | 0 | Details |
| US2826658A | Control switch | Expired / Lapsed | 1955-04-08 | 1958-03-11 | 0 | Details |
| US2824726A | Degasser attachment for internal combustion engines | Expired / Lapsed | 1955-11-08 | 1958-02-25 | 0 | Details |
| US2824727A | Anti-percolating device for a carburetor | Expired / Lapsed | 1955-09-09 | 1958-02-25 | 0 | Details |
| US2824550A | Power steering valve with single reaction chamber | Expired / Lapsed | 1954-01-26 | 1958-02-25 | 0 | Details |
| US2823272A | Switch mechanism | Expired / Lapsed | 1956-09-07 | 1958-02-11 | 0 | Details |
| US2822203A | Door latch and control means | Expired / Lapsed | 1955-02-17 | 1958-02-04 | 0 | Details |
| US2822201A | Filter element sealing construction | Expired / Lapsed | 1954-06-30 | 1958-02-04 | 0 | Details |
| US2821858A | Balancing machine | Expired / Lapsed | 1954-05-12 | 1958-02-04 | 0 | Details |
| US2821024A | Inspection device | Expired / Lapsed | 1955-01-24 | 1958-01-28 | 0 | Details |
| US2818711A | Priority valve | Expired / Lapsed | 1954-12-29 | 1958-01-07 | 0 | Details |
| US2818933A | Vehicle cowl with two portion instrument panel | Expired / Lapsed | 1953-08-24 | 1958-01-07 | 0 | Details |
| US2819012A | Centrifugal compressor | Expired / Lapsed | 1950-12-22 | 1958-01-07 | 0 | Details |
| US2817562A | Coated piston | Expired / Lapsed | 1953-07-01 | 1957-12-24 | 2 | Details |
| US2816999A | Domestic appliance | Expired / Lapsed | 1955-01-14 | 1957-12-17 | 0 | Details |
| US2816211A | Refrigerating apparatus | Expired / Lapsed | 1954-08-18 | 1957-12-10 | 0 | Details |
| US2814841A | Sealing strip | Expired / Lapsed | 1955-10-19 | 1957-12-03 | 0 | Details |
| US2812642A | Refrigerating apparatus | Expired / Lapsed | 1955-08-09 | 1957-11-12 | 0 | Details |
| US2812295A | Method of finishing metal surfaces | Expired / Lapsed | 1955-03-22 | 1957-11-05 | 2 | Details |
| US2810347A | Fluid pump | Expired / Lapsed | 1953-12-30 | 1957-10-22 | 0 | Details |
| US2809130A | Method of bonding a fluorinated synthetic resin to another … | Expired / Lapsed | 1956-05-18 | 1957-10-08 | 2 | Details |
| US2809301A | Vehicle electrical system | Expired / Lapsed | 1956-01-16 | 1957-10-08 | 0 | Details |
| US2808476A | Electric switch | Expired / Lapsed | 1954-06-25 | 1957-10-01 | 0 | Details |
| US2808007A | Gear pump or motor | Expired / Lapsed | 1954-05-27 | 1957-10-01 | 0 | Details |
| US2807147A | Vehicle refrigerating apparatus | Expired / Lapsed | 1954-11-29 | 1957-09-24 | 0 | Details |
| US2807729A | Control circuit for engine starting and ignition system | Expired / Lapsed | 1954-11-17 | 1957-09-24 | 0 | Details |
| US2807146A | Vehicle refrigerating apparatus | Expired / Lapsed | 1953-06-22 | 1957-09-24 | 0 | Details |
| US2806450A | Hydraulic actuators | Expired / Lapsed | 1955-12-08 | 1957-09-17 | 0 | Details |
| US2802674A | Roll control system for a motor vehicle | Expired / Lapsed | 1955-11-16 | 1957-08-13 | 0 | Details |
| US2801702A | Steerable driving axle | Expired / Lapsed | 1953-05-06 | 1957-08-06 | 0 | Details |
| US2800801A | In-line hydraulic power steering gear | Expired / Lapsed | 1954-06-16 | 1957-07-30 | 0 | Details |
| US2799918A | Compressor blade manufacture | Expired / Lapsed | 1950-12-07 | 1957-07-23 | 0 | Details |
| US2794325A | Refrigerated display case | Expired / Lapsed | 1956-03-13 | 1957-06-04 | 0 | Details |
| US2793834A | Vehicle refrigerating apparatus | Expired / Lapsed | 1954-10-04 | 1957-05-28 | 0 | Details |
| US2791287A | Hydraulic power steering mechanism | Expired / Lapsed | 1954-07-19 | 1957-05-07 | 0 | Details |
| US2791185A | Hydraulic rotary transmission device | Expired / Lapsed | 1954-07-19 | 1957-05-07 | 0 | Details |
| US2790696A | Refrigerating apparatus | Expired / Lapsed | 1955-09-27 | 1957-04-30 | 0 | Details |
| US2790043A | Pressure responsive device | Expired / Lapsed | 1952-04-09 | 1957-04-23 | 0 | Details |
| US2787907A | Crankshaft balancing machine | Expired / Lapsed | 1954-03-18 | 1957-04-09 | 0 | Details |
| US2788100A | Molding retainer | Expired / Lapsed | 1950-12-06 | 1957-04-09 | 0 | Details |
| US2786819A | Resistor | Expired / Lapsed | 1955-11-17 | 1957-03-26 | 2 | Details |
| US2785255A | Electric switches | Expired / Lapsed | 1954-06-25 | 1957-03-12 | 0 | Details |
| US2783649A | Automatic balancing machine | Expired / Lapsed | 1954-03-10 | 1957-03-05 | 0 | Details |
| US2783661A | Two speed rear axle | Expired / Lapsed | 1952-05-15 | 1957-03-05 | 0 | Details |
| CA537295A | Preparing polyisocyanate foam in the cold | Expired / Lapsed | — | 1957-02-19 | 0 | Details |
| US2782391A | Waterproof line connector | Expired / Lapsed | 1952-10-02 | 1957-02-19 | 0 | Details |
| US2781053A | Valve assembly | Expired / Lapsed | 1953-05-13 | 1957-02-12 | 0 | Details |
| US2779427A | Fluid power steering apparatus | Expired / Lapsed | 1954-04-08 | 1957-01-29 | 0 | Details |
| US2779531A | Gas turbine engine with hydraulic thrust balancing | Expired / Lapsed | 1950-12-29 | 1957-01-29 | 0 | Details |
| US2775330A | Transmission and control system | Expired / Lapsed | 1952-11-21 | 1956-12-25 | 0 | Details |
| US2775331A | Clutch with coolant metering | Expired / Lapsed | 1951-06-02 | 1956-12-25 | 0 | Details |
| US2774219A | Automobile refrigerating apparatus | Expired / Lapsed | 1954-10-27 | 1956-12-18 | 0 | Details |
| US2774120A | Sealing strip for refrigerator door | Expired / Lapsed | 1953-05-13 | 1956-12-18 | 0 | Details |
| US2773472A | Apparatus for electrostatic spray coating | Expired / Lapsed | 1951-08-14 | 1956-12-11 | 0 | Details |
| US2771209A | Ash tray | Expired / Lapsed | 1951-08-02 | 1956-11-20 | 0 | Details |
| US2769125A | Multi-speed synchro data transmission system | Expired / Lapsed | 1953-10-22 | 1956-10-30 | 0 | Details |
| US2768535A | Control rod positioning mechanism | Expired / Lapsed | 1952-10-15 | 1956-10-30 | 0 | Details |
| US2766864A | Fluid operated torque responsive clutch device | Expired / Lapsed | 1952-04-04 | 1956-10-16 | 0 | Details |
| US2766653A | Radiant energy transmission and reflection analyzer with ad… | Expired / Lapsed | 1952-01-11 | 1956-10-16 | 0 | Details |
| US2766408A | Vent plug for electrolytic capacitor | Expired / Lapsed | 1954-12-06 | 1956-10-09 | 0 | Details |
| US2764020A | Vibration pick-up device | Expired / Lapsed | 1953-04-29 | 1956-09-25 | 0 | Details |
| US2763249A | Engine gas valve operating means | Expired / Lapsed | 1952-06-16 | 1956-09-18 | 0 | Details |
| US2762117A | Method of forming an interlocking bushing | Expired / Lapsed | 1953-07-13 | 1956-09-11 | 0 | Details |
| US2761277A | Variable nozzle actuator | Expired / Lapsed | 1952-02-23 | 1956-09-04 | 0 | Details |
| US2760346A | Refrigerating apparatus of dissimilar metals | Expired / Lapsed | 1953-10-01 | 1956-08-28 | 0 | Details |
| US2758169A | Electrical switch | Expired / Lapsed | 1954-03-15 | 1956-08-07 | 0 | Details |
| US2756622A | Power operated torque wrench | Expired / Lapsed | 1954-05-21 | 1956-07-31 | 0 | Details |
| US2756795A | Resilient locking and sealing washer | Expired / Lapsed | 1951-06-20 | 1956-07-31 | 0 | Details |
| US2756115A | Pneumatic bearing construction | Expired / Lapsed | 1952-10-09 | 1956-07-24 | 0 | Details |
| US2755999A | Temperature measuring and control apparatus | Expired / Lapsed | 1952-05-17 | 1956-07-24 | 0 | Details |
| US2755362A | Refrigerating apparatus | Expired / Lapsed | 1953-09-10 | 1956-07-17 | 0 | Details |
| US2754921A | Propeller control | Expired / Lapsed | 1951-10-26 | 1956-07-17 | 0 | Details |
| US2754050A | Rotary blower | Expired / Lapsed | 1950-04-22 | 1956-07-10 | 0 | Details |
| US2753031A | Centrifugally responsive couplings | Expired / Lapsed | 1952-10-15 | 1956-07-03 | 0 | Details |
| US2749772A | Transmission and controls | Expired / Lapsed | 1952-07-19 | 1956-06-12 | 0 | Details |
| US2747561A | Anti-detonating carburetor | Expired / Lapsed | 1954-05-06 | 1956-05-29 | 2 | Details |
| US2747385A | Refrigerating apparatus | Expired / Lapsed | 1953-08-26 | 1956-05-29 | 0 | Details |
| US2747742A | Filter and method of making same | Expired / Lapsed | 1952-05-31 | 1956-05-29 | 0 | Details |
| US2746261A | Refrigerating apparatus | Expired / Lapsed | 1953-10-26 | 1956-05-22 | 0 | Details |
| US2746425A | Automatic return air piston and cylinder device | Expired / Lapsed | 1951-11-21 | 1956-05-22 | 0 | Details |
| US2741128A | Combustion chamber pressure indicator | Expired / Lapsed | 1952-03-19 | 1956-04-10 | 0 | Details |
| US2740256A | Valving associated with variable capacity pump | Expired / Lapsed | 1954-12-27 | 1956-04-03 | 0 | Details |
| US2738549A | Extruding machine | Expired / Lapsed | 1952-07-26 | 1956-03-20 | 0 | Details |
| US2738755A | Illuminatable indicating devices | Expired / Lapsed | 1951-05-25 | 1956-03-20 | 0 | Details |
| US2731672A | Method of forming an ornamental plastic article | Expired / Lapsed | 1953-02-25 | 1956-01-24 | 2 | Details |
| US2730205A | Automatic screw type brake wear adjustor | Expired / Lapsed | 1954-01-05 | 1956-01-10 | 0 | Details |
| US2725196A | Dehumidifier control system | Expired / Lapsed | 1954-06-07 | 1955-11-29 | 0 | Details |
| US2725432A | Switch | Expired / Lapsed | 1953-05-25 | 1955-11-29 | 0 | Details |
| US2724445A | Speed controller for a prime mover driven propeller | Expired / Lapsed | 1951-11-30 | 1955-11-22 | 0 | Details |
| US2723896A | Refrigerator door seal | Expired / Lapsed | 1952-02-21 | 1955-11-15 | 0 | Details |
| US2722263A | Method of making flexible air hose | Expired / Lapsed | 1951-08-17 | 1955-11-01 | 0 | Details |
| US2721814A | Nickel plating by chemical reduction | Expired / Lapsed | 1954-01-26 | 1955-10-25 | 2 | Details |
| US2720079A | Conduit clamp | Expired / Lapsed | 1952-12-30 | 1955-10-11 | 0 | Details |
| US2716867A | Refrigerating apparatus | Expired / Lapsed | 1953-07-02 | 1955-09-06 | 0 | Details |
| US2717286A | Stabilizing device | Expired / Lapsed | 1953-02-06 | 1955-09-06 | 0 | Details |
| US2716778A | Method of molding sealing strips | Expired / Lapsed | 1951-02-06 | 1955-09-06 | 0 | Details |
| US2716398A | Crankcase ventilation valve incorporating flame arrester | Expired / Lapsed | 1951-11-21 | 1955-08-30 | 0 | Details |
| US2716252A | Windshield wipers | Expired / Lapsed | 1949-08-23 | 1955-08-30 | 0 | Details |
| FR1096781A | Improvements in steering servo-mechanisms for motor vehicles | Expired / Lapsed | 1954-03-02 | 1955-06-24 | 0 | Details |
| US2711520A | Connector for use on high tension resistance cable | Expired / Lapsed | 1951-05-01 | 1955-06-21 | 0 | Details |
| US2711222A | Motor vehicle | Expired / Lapsed | 1949-06-08 | 1955-06-21 | 0 | Details |
| US2707492A | Flexible tubing | Expired / Lapsed | 1952-10-18 | 1955-05-03 | 0 | Details |
| US2707079A | Heater and defroster control mechanism | Expired / Lapsed | 1951-06-09 | 1955-04-26 | 0 | Details |
| US2705942A | Compound carburetion system | Expired / Lapsed | 1952-06-27 | 1955-04-12 | 0 | Details |
| US2703872A | Electrical connector | Expired / Lapsed | 1952-05-15 | 1955-03-08 | 0 | Details |
| US2702529A | Valve adapted for hydraulic power steering uses | Expired / Lapsed | 1952-04-23 | 1955-02-22 | 0 | Details |
| US2701335A | Electrical pickup | Expired / Lapsed | 1950-11-21 | 1955-02-01 | 0 | Details |
| US2701330A | Motor operated tuning means | Expired / Lapsed | 1950-10-31 | 1955-02-01 | 0 | Details |
| US2698958A | Pivot construction | Expired / Lapsed | 1949-09-03 | 1955-01-11 | 0 | Details |
| US2698893A | Automobile seat heater | Expired / Lapsed | 1951-04-30 | 1955-01-04 | 0 | Details |
| US2697939A | Fuel measuring system | Expired / Lapsed | 1950-08-28 | 1954-12-28 | 0 | Details |
| US2696580A | Reversible motor control | Expired / Lapsed | 1951-08-27 | 1954-12-07 | 0 | Details |
| US2695078A | Brake wear compensating device | Expired / Lapsed | 1951-01-10 | 1954-11-23 | 0 | Details |
| US2691308A | Follow-up mechanism | Expired / Lapsed | 1953-03-17 | 1954-10-12 | 0 | Details |
| US2689489A | Steering control system for vehicles | Expired / Lapsed | 1950-12-13 | 1954-09-21 | 0 | Details |
| US2689652A | Oil filter | Expired / Lapsed | 1950-11-04 | 1954-09-21 | 0 | Details |
| US2688793A | Method of making commutators | Expired / Lapsed | 1951-06-28 | 1954-09-14 | 0 | Details |
| US2688232A | Synchronized locking actuator | Expired / Lapsed | 1953-06-22 | 1954-09-07 | 0 | Details |
| US2688126A | Combined spark impulse indicator | Expired / Lapsed | 1951-01-30 | 1954-08-31 | 0 | Details |
| US2686852A | Lamp supporting and operating structure | Expired / Lapsed | 1951-02-06 | 1954-08-17 | 0 | Details |
| US2686868A | Vibration absorbing lamp mounting | Expired / Lapsed | 1950-06-20 | 1954-08-17 | 0 | Details |
| US2683343A | Tumbling process | Expired / Lapsed | 1952-11-15 | 1954-07-13 | 0 | Details |
| US2683113A | Method of finishing ice trays | Expired / Lapsed | 1951-01-16 | 1954-07-06 | 2 | Details |
| US2682038A | Connector | Expired / Lapsed | 1950-09-21 | 1954-06-22 | 0 | Details |
| US2679568A | Ceramic contact resistor composition | Expired / Lapsed | 1950-11-07 | 1954-05-25 | 2 | Details |
| US2679616A | Light responsive system | Expired / Lapsed | 1948-07-10 | 1954-05-25 | 0 | Details |
| US2675174A | Turbine or compressor rotor | Expired / Lapsed | 1950-05-11 | 1954-04-13 | 0 | Details |
| US2673377A | Refrigerator door | Expired / Lapsed | 1951-01-09 | 1954-03-30 | 0 | Details |
| US2672023A | Two-temperature refrigerating apparatus | Expired / Lapsed | 1952-02-23 | 1954-03-16 | 0 | Details |
| US2668987A | Mold for and method of molding foam rubber strips and the l… | Expired / Lapsed | 1950-10-21 | 1954-02-16 | 0 | Details |
| US2668884A | Electrical switch apparatus | Expired / Lapsed | 1951-11-21 | 1954-02-09 | 0 | Details |
| US2668888A | Fuse holder | Expired / Lapsed | 1950-09-14 | 1954-02-09 | 0 | Details |
| US2668921A | Antihunting system for constant speed engines | Expired / Lapsed | 1949-09-03 | 1954-02-09 | 0 | Details |
| US2664868A | Engine governor | Expired / Lapsed | 1951-06-13 | 1954-01-05 | 0 | Details |
| US2663911A | Method of decorating plastics | Expired / Lapsed | 1951-06-27 | 1953-12-29 | 0 | Details |
| US2664480A | Circuit breaker | Expired / Lapsed | 1950-03-07 | 1953-12-29 | 0 | Details |
| US2662975A | Combination radio receiver | Expired / Lapsed | 1951-01-23 | 1953-12-15 | 0 | Details |
| US2662273A | Method of making heat exchange structures | Expired / Lapsed | 1950-03-24 | 1953-12-15 | 0 | Details |
| US2661604A | Open top display refrigerating apparatus | Expired / Lapsed | 1950-11-03 | 1953-12-08 | 0 | Details |
| US2660894A | Windshield wiper drive apparatus | Expired / Lapsed | 1950-11-17 | 1953-12-01 | 0 | Details |
| US2660759A | Method of making grommets | Expired / Lapsed | 1949-06-09 | 1953-12-01 | 0 | Details |
| US2660026A | Dual drive actuator | Expired / Lapsed | 1952-12-05 | 1953-11-24 | 0 | Details |
| US2657537A | Master cylinder with compensating valve | Expired / Lapsed | 1950-10-26 | 1953-11-03 | 0 | Details |
| US2656539A | Hog ring clinching tool | Expired / Lapsed | 1952-12-29 | 1953-10-27 | 0 | Details |
| US2655239A | Connector strip | Expired / Lapsed | 1951-09-01 | 1953-10-13 | 0 | Details |
| US2652942A | Method of and apparatus for attaching clinch nuts to sheet … | Expired / Lapsed | 1949-07-02 | 1953-09-22 | 0 | Details |
| US2651937A | Balancing machine | Expired / Lapsed | 1946-04-26 | 1953-09-15 | 0 | Details |
| US2651025A | Electrical connection for distributors | Expired / Lapsed | 1949-10-26 | 1953-09-01 | 0 | Details |
| US2648388A | Aircraft propeller | Expired / Lapsed | 1951-01-26 | 1953-08-11 | 0 | Details |
| US2648194A | Jet engine fuel controller | Expired / Lapsed | 1949-02-09 | 1953-08-11 | 0 | Details |
| US2647637A | Filter | Expired / Lapsed | 1949-07-16 | 1953-08-04 | 0 | Details |
| US2647814A | Clip clinching tool | Expired / Lapsed | 1949-02-07 | 1953-08-04 | 0 | Details |
| US2645135A | Transmission and control | Expired / Lapsed | 1950-04-18 | 1953-07-14 | 0 | Details |
| US2642733A | Clothes washing machine and agitator therefor | Expired / Lapsed | 1949-06-16 | 1953-06-23 | 0 | Details |
| US2640970A | Electrical connector having a spring-biased line terminal | Expired / Lapsed | 1950-06-13 | 1953-06-02 | 0 | Details |
| US2640424A | Fuel pump | Expired / Lapsed | 1948-01-10 | 1953-06-02 | 0 | Details |
| US2637204A | Apparatus for testing dynamoelectric machines | Expired / Lapsed | 1950-04-27 | 1953-05-05 | 0 | Details |
| US2635501A | Hollow rivet | Expired / Lapsed | 1951-03-30 | 1953-04-21 | 0 | Details |
| US2634604A | Combined torsiograph and torsiograph calibration device | Expired / Lapsed | 1947-12-06 | 1953-04-14 | 0 | Details |
| US2632313A | Refrigerating apparatus having means for preventing condens… | Expired / Lapsed | 1951-03-03 | 1953-03-24 | 0 | Details |
| US2632205A | Method and apparatus for making lined tubing | Expired / Lapsed | 1949-02-10 | 1953-03-24 | 0 | Details |
| US2632544A | Two-speed friction clutch drive | Expired / Lapsed | 1947-08-22 | 1953-03-24 | 0 | Details |
| US2625979A | Apparatus for making flexible hose | Expired / Lapsed | 1950-11-03 | 1953-01-20 | 0 | Details |
| US2625651A | Welding control | Expired / Lapsed | 1949-03-25 | 1953-01-13 | 0 | Details |
| US2623411A | Variable-speed drive mechanism | Expired / Lapsed | 1950-06-01 | 1952-12-30 | 0 | Details |
| US2620514A | Apparatus for forming tubing | Expired / Lapsed | 1948-04-29 | 1952-12-09 | 0 | Details |
| US2618770A | Limit control for electric motors | Expired / Lapsed | 1948-09-16 | 1952-11-18 | 0 | Details |
| US2615491A | Apparatus for reinforcing air hose | Expired / Lapsed | 1951-05-08 | 1952-10-28 | 0 | Details |
| US2613575A | Rearview mirror assembly and mounting means | Expired / Lapsed | 1950-03-25 | 1952-10-14 | 0 | Details |
| US2609927A | Commutator testing and sorting device | Expired / Lapsed | 1948-04-17 | 1952-09-09 | 0 | Details |
| US2609071A | Sealing strip for steel sash windows | Expired / Lapsed | 1950-08-25 | 1952-09-02 | 0 | Details |
| US2608752A | Method of making single leaf springs | Expired / Lapsed | 1947-11-13 | 1952-09-02 | 0 | Details |
| US2608252A | Domestic appliance | Expired / Lapsed | 1947-07-11 | 1952-08-26 | 0 | Details |
| US2606459A | Compound planetary gear train | Expired / Lapsed | 1947-12-06 | 1952-08-12 | 0 | Details |
| US2606991A | Electric appliance control | Expired / Lapsed | 1946-05-11 | 1952-08-12 | 0 | Details |
| US2606460A | Combined transmission | Expired / Lapsed | 1944-11-29 | 1952-08-12 | 0 | Details |
| US2600220A | Composite article and method of making same | Expired / Lapsed | 1945-10-13 | 1952-06-10 | 0 | Details |
| US2598191A | Method of making fin elements | Expired / Lapsed | 1948-10-22 | 1952-05-27 | 0 | Details |
| US2596922A | Torsion bar suspension for individual wheel mountings | Expired / Lapsed | 1948-01-31 | 1952-05-13 | 0 | Details |
| US2594784A | Spotlight attachment for mirrors | Expired / Lapsed | 1948-05-14 | 1952-04-29 | 0 | Details |
| US2591791A | Dynamic braking control | Expired / Lapsed | 1949-12-14 | 1952-04-08 | 0 | Details |
| DE835970C | Control slide for pressure fluid | Expired / Lapsed | 1950-06-08 | 1952-04-07 | 0 | Details |
| US2590422A | Bearing seal | Expired / Lapsed | 1946-01-19 | 1952-03-25 | 0 | Details |
| US2585438A | Rubberlike article | Expired / Lapsed | 1948-04-08 | 1952-02-12 | 0 | Details |
| US2583189A | Ground connection clip for motor mounts | Expired / Lapsed | 1949-04-09 | 1952-01-22 | 0 | Details |
| US2577647A | Centrifugal machine | Expired / Lapsed | 1945-08-17 | 1951-12-04 | 0 | Details |
| US2571507A | Pressure indicator | Expired / Lapsed | 1950-06-06 | 1951-10-16 | 0 | Details |
| US2571893A | Submersible vent cap | Expired / Lapsed | 1949-11-04 | 1951-10-16 | 0 | Details |
| US2561579A | Impregnated ferrous gear | Expired / Lapsed | 1947-10-02 | 1951-07-24 | 2 | Details |
| US2560678A | Method of welding | Expired / Lapsed | 1949-07-08 | 1951-07-17 | 0 | Details |
| US2558644A | Automotive electrical system | Expired / Lapsed | 1950-08-18 | 1951-06-26 | 0 | Details |
| US2553215A | Friction material | Expired / Lapsed | 1946-11-25 | 1951-05-15 | 2 | Details |
| US2552087A | Apparatus for testing thermostatic controls | Expired / Lapsed | 1945-09-21 | 1951-05-08 | 0 | Details |
| US2552107A | Air heater control | Expired / Lapsed | 1943-09-11 | 1951-05-08 | 0 | Details |
| US2550414A | Automatic engine starting equipment | Expired / Lapsed | 1949-05-24 | 1951-04-24 | 0 | Details |
| US2550174A | Process of bonding two metal members with an aperture there… | Expired / Lapsed | 1947-10-03 | 1951-04-24 | 0 | Details |
| US2550529A | Controllable pitch propeller | Expired / Lapsed | 1944-11-11 | 1951-04-24 | 0 | Details |
| US2548965A | Fluid filter | Expired / Lapsed | 1947-10-03 | 1951-04-17 | 0 | Details |
| US2548258A | Drive axle | Expired / Lapsed | 1949-04-12 | 1951-04-10 | 0 | Details |
| US2544671A | Method of forming composite products consisting of ferrous … | Expired / Lapsed | 1948-02-12 | 1951-03-13 | 2 | Details |
| US2544144A | Oil burner pump | Expired / Lapsed | 1947-05-07 | 1951-03-06 | 0 | Details |
| US2543500A | Means for suppressing transverse modes of oscillation in a … | Expired / Lapsed | 1946-06-27 | 1951-02-27 | 0 | Details |
| US2540166A | Machine for cutting tubing | Expired / Lapsed | 1949-08-27 | 1951-02-06 | 0 | Details |
| US2536136A | Molded friction linings | Expired / Lapsed | 1947-01-10 | 1951-01-02 | 2 | Details |
| US2532781A | Torsional vibration pickup | Expired / Lapsed | 1944-04-21 | 1950-12-05 | 0 | Details |
| US2521752A | Radio station selector | Expired / Lapsed | 1948-01-19 | 1950-09-12 | 0 | Details |
| US2522242A | Ingredient supply for washing machines | Expired / Lapsed | 1942-02-28 | 1950-09-12 | 0 | Details |
| US2517121A | Automatic spectrophotometer | Expired / Lapsed | 1947-06-03 | 1950-08-01 | 0 | Details |
| US2516189A | Precision aircraft tachometer | Expired / Lapsed | 1946-01-24 | 1950-07-25 | 0 | Details |
| US2502823A | Control switch means for clotheswashing machines | Expired / Lapsed | 1944-11-04 | 1950-04-04 | 0 | Details |
| US2502059A | Sheet thickness gauge | Expired / Lapsed | 1947-02-04 | 1950-03-28 | 0 | Details |
| US2498814A | Battery charging system | Expired / Lapsed | 1947-03-06 | 1950-02-28 | 0 | Details |
| US2498661A | Refrigerating apparatus for window mounting | Expired / Lapsed | 1945-10-29 | 1950-02-28 | 0 | Details |
| US2498894A | Clothes washing machine and agitator therefor | Expired / Lapsed | 1943-07-26 | 1950-02-28 | 0 | Details |
| US2494433A | Transducer holder | Expired / Lapsed | 1946-06-06 | 1950-01-10 | 0 | Details |
| US2493950A | High-frequency inductive welding apparatus | Expired / Lapsed | 1944-12-01 | 1950-01-10 | 0 | Details |
| US2494470A | Induction coil | Expired / Lapsed | 1943-12-27 | 1950-01-10 | 0 | Details |
| US2492566A | Connector strip | Expired / Lapsed | 1947-04-22 | 1949-12-27 | 0 | Details |
| US2491497A | Engine pressure control system | Expired / Lapsed | 1944-10-20 | 1949-12-20 | 0 | Details |
| US2491482A | Engine controller | Expired / Lapsed | 1944-02-03 | 1949-12-20 | 0 | Details |
| US2491105A | Refrigerating apparatus | Expired / Lapsed | 1946-08-30 | 1949-12-13 | 0 | Details |
| US2491192A | Sealed heat ray detector | Expired / Lapsed | 1944-11-11 | 1949-12-13 | 0 | Details |
| US2490549A | Method of making composite stock | Expired / Lapsed | 1945-07-07 | 1949-12-06 | 0 | Details |
| US2488905A | Domestic appliance | Expired / Lapsed | 1944-11-06 | 1949-11-22 | 0 | Details |
| US2485722A | Crystal | Expired / Lapsed | 1945-01-31 | 1949-10-25 | 0 | Details |
| US2480166A | Resistor for thermogauges | Expired / Lapsed | 1945-01-08 | 1949-08-30 | 0 | Details |
| US2477859A | Apparatus for making connector assemblies | Expired / Lapsed | 1947-11-04 | 1949-08-02 | 0 | Details |
| US2478109A | Oil filter | Expired / Lapsed | 1946-01-18 | 1949-08-02 | 0 | Details |
| US2476410A | Torque meter | Expired / Lapsed | 1944-06-24 | 1949-07-19 | 0 | Details |
| US2471318A | Ignition timer | Expired / Lapsed | 1946-06-26 | 1949-05-24 | 0 | Details |
| US2469207A | Spring mounted two-position prismoidal rear-view mirror | Expired / Lapsed | 1946-10-12 | 1949-05-03 | 0 | Details |
| US2468948A | Sealed motor-compressor unit | Expired / Lapsed | 1945-05-28 | 1949-05-03 | 0 | Details |
| US2464870A | Oil filter | Expired / Lapsed | 1945-03-24 | 1949-03-22 | 0 | Details |
| US2463119A | Aerial torpedo | Expired / Lapsed | 1942-10-05 | 1949-03-01 | 0 | Details |
| US2462468A | Spectacle sighting device | Expired / Lapsed | 1945-09-13 | 1949-02-22 | 0 | Details |
| US2458784A | Automatic control | Expired / Lapsed | 1945-09-28 | 1949-01-11 | 0 | Details |
| US2451099A | Method of uniting metal pieces by means of a bonding layer … | Expired / Lapsed | 1945-08-28 | 1948-10-12 | 0 | Details |
| US2450282A | Antifriction screw and nut actuator | Expired / Lapsed | 1946-07-18 | 1948-09-28 | 0 | Details |
| US2449429A | Balancing machine | Expired / Lapsed | 1943-12-08 | 1948-09-14 | 0 | Details |
| US2446474A | Motor protective switching system | Expired / Lapsed | 1945-04-18 | 1948-08-03 | 0 | Details |
| US2442900A | Electric oven heating system | Expired / Lapsed | 1939-11-03 | 1948-06-08 | 0 | Details |
| US2442300A | Direct current servo system | Expired / Lapsed | 1946-05-18 | 1948-05-25 | 0 | Details |
| US2442298A | Modulated heat ray detector | Expired / Lapsed | 1944-05-29 | 1948-05-25 | 0 | Details |
| US2434199A | Control for automatic clothes washing machine | Expired / Lapsed | 1943-01-20 | 1948-01-06 | 0 | Details |
| US2433052A | Compound power transmission | Expired / Lapsed | 1943-09-06 | 1947-12-23 | 0 | Details |
| US2432659A | Balancing means for rotatable elements | Expired / Lapsed | 1943-08-02 | 1947-12-16 | 0 | Details |
| US2431945A | Thermal control device for storage batteries | Expired / Lapsed | 1943-11-02 | 1947-12-02 | 0 | Details |
| US2431234A | Automatic sonic measuring means | Expired / Lapsed | 1944-12-04 | 1947-11-18 | 0 | Details |
| US2431233A | Supersonic measuring means | Expired / Lapsed | 1944-04-21 | 1947-11-18 | 0 | Details |
| US2430064A | Dustproof and moistureproof switch casing | Expired / Lapsed | 1944-05-05 | 1947-11-04 | 0 | Details |
| US2430258A | Rotary hydraulic coupling of the turbine type | Expired / Lapsed | 1941-02-17 | 1947-11-04 | 0 | Details |
| US2427764A | Vent plug | Expired / Lapsed | 1944-09-13 | 1947-09-23 | 0 | Details |
| US2427173A | Fuel | Expired / Lapsed | 1944-03-29 | 1947-09-09 | 0 | Details |
| US2426305A | Balancing machine | Expired / Lapsed | 1942-03-12 | 1947-08-26 | 0 | Details |
| US2424736A | Rubber composition and method of making same | Expired / Lapsed | 1944-02-23 | 1947-07-29 | 0 | Details |
| US2423857A | Method of treating composite metal | Expired / Lapsed | 1943-12-23 | 1947-07-15 | 0 | Details |
| US2423592A | Air flow control for crankcase ventilation | Expired / Lapsed | 1942-11-10 | 1947-07-08 | 0 | Details |
| US2422905A | Control mechanism for reversible electric motors | Expired / Lapsed | 1945-05-01 | 1947-06-24 | 0 | Details |
| US2421523A | Battery-charging system | Expired / Lapsed | 1945-07-23 | 1947-06-03 | 0 | Details |
| US2420856A | Ship drive and control system | Expired / Lapsed | 1943-04-26 | 1947-05-20 | 0 | Details |
| US2418351A | Actuator control | Expired / Lapsed | 1945-03-14 | 1947-04-01 | 0 | Details |
| US2417148A | Dimension gauging means | Expired / Lapsed | 1943-08-02 | 1947-03-11 | 0 | Details |
| US2417112A | Electrical control system | Expired / Lapsed | 1943-07-03 | 1947-03-11 | 0 | Details |
| US2415513A | Torque measuring device | Expired / Lapsed | 1943-05-13 | 1947-02-11 | 0 | Details |
| US2413675A | Balk ring synchronizer device | Expired / Lapsed | 1938-09-16 | 1947-01-07 | 0 | Details |
| US2409876A | Shaft torsion measuring means | Expired / Lapsed | 1942-03-07 | 1946-10-22 | 0 | Details |
| US2409295A | Porous metal article | Expired / Lapsed | 1941-12-08 | 1946-10-15 | 0 | Details |
| US2408926A | Drive axle | Expired / Lapsed | 1944-07-15 | 1946-10-08 | 0 | Details |
| US2407564A | Light meter | Expired / Lapsed | 1944-03-06 | 1946-09-10 | 0 | Details |
| US2407536A | Compass | Expired / Lapsed | 1943-06-23 | 1946-09-10 | 0 | Details |
| US2406494A | Domestic appliance | Expired / Lapsed | 1943-05-14 | 1946-08-27 | 0 | Details |
| US2405736A | Nonspill vent plug | Expired / Lapsed | 1943-11-06 | 1946-08-13 | 0 | Details |
| US2405394A | Coach body | Expired / Lapsed | 1944-09-14 | 1946-08-06 | 0 | Details |
| US2405338A | Actuator | Expired / Lapsed | 1944-05-23 | 1946-08-06 | 0 | Details |
| US2405411A | Refrigerating apparatus | Expired / Lapsed | 1944-01-31 | 1946-08-06 | 0 | Details |
| US2405441A | Gun sighting device | Expired / Lapsed | 1943-12-16 | 1946-08-06 | 0 | Details |
| US2403669A | Inductor compasss | Expired / Lapsed | 1944-04-20 | 1946-07-09 | 0 | Details |
| US2401795A | System of generator regulation | Expired / Lapsed | 1944-09-26 | 1946-06-11 | 0 | Details |
| US2401221A | Method of impregnating porous metal parts | Expired / Lapsed | 1943-06-24 | 1946-05-28 | 0 | Details |
| US2400329A | Refrigerating apparatus | Expired / Lapsed | 1944-07-27 | 1946-05-14 | 0 | Details |
| US2398006A | Brake shoe | Expired / Lapsed | 1944-02-28 | 1946-04-09 | 0 | Details |
| US2391699A | Propeller control mechanism | Expired / Lapsed | 1942-08-26 | 1945-12-25 | 0 | Details |
| US2391151A | Refrigerating apparatus | Expired / Lapsed | 1944-02-14 | 1945-12-18 | 0 | Details |
| US2390905A | Oscillating joint | Expired / Lapsed | 1942-10-12 | 1945-12-11 | 0 | Details |
| US2390160A | Method of manufacture | Expired / Lapsed | 1943-07-10 | 1945-12-04 | 0 | Details |
| US2389446A | Electrical appliance | Expired / Lapsed | 1942-03-27 | 1945-11-20 | 0 | Details |
| US2389440A | Refrigerating apparatus | Expired / Lapsed | 1940-11-30 | 1945-11-20 | 0 | Details |
| US2388800A | Motor protector | Expired / Lapsed | 1942-08-27 | 1945-11-13 | 0 | Details |
| US2388042A | Method of sealing storage batteries | Expired / Lapsed | 1943-02-17 | 1945-10-30 | 0 | Details |
| US2386992A | Audible stall indicator | Expired / Lapsed | 1942-12-07 | 1945-10-16 | 0 | Details |
| US2385513A | Fuel system | Expired / Lapsed | 1942-10-15 | 1945-09-25 | 0 | Details |
| US2383873A | Vehicle drive mechanism | Expired / Lapsed | 1943-01-25 | 1945-08-28 | 0 | Details |
| US2383202A | Lighting system | Expired / Lapsed | 1942-10-23 | 1945-08-21 | 0 | Details |
| US2382665A | Balancing machine | Expired / Lapsed | 1942-12-14 | 1945-08-14 | 0 | Details |
| US2381894A | Domestic appliance | Expired / Lapsed | 1941-08-30 | 1945-08-14 | 0 | Details |
| US2380662A | Ball bearing screw and nut gear | Expired / Lapsed | 1943-06-25 | 1945-07-31 | 0 | Details |
| US2380680A | Clutch and control | Expired / Lapsed | 1942-06-29 | 1945-07-31 | 0 | Details |
| US2380681A | Fluid coupling | Expired / Lapsed | 1942-05-29 | 1945-07-31 | 0 | Details |
| US2380656A | Fuel pump | Expired / Lapsed | 1940-09-11 | 1945-07-31 | 0 | Details |
| US2379166A | Method of making friction linings | Expired / Lapsed | 1943-11-04 | 1945-06-26 | 0 | Details |
| US2377696A | Transmission drive | Expired / Lapsed | 1941-12-15 | 1945-06-05 | 0 | Details |
| US2376901A | Timing control | Expired / Lapsed | 1941-03-29 | 1945-05-29 | 0 | Details |
| US2375218A | Reconditioning spark plugs | Expired / Lapsed | 1943-05-08 | 1945-05-08 | 0 | Details |
| US2375422A | Landing gear | Expired / Lapsed | 1943-03-31 | 1945-05-08 | 0 | Details |
| US2375635A | Domestic appliance | Expired / Lapsed | 1940-06-29 | 1945-05-08 | 0 | Details |
| US2373332A | Safety device | Expired / Lapsed | 1944-01-17 | 1945-04-10 | 0 | Details |
| US2372307A | Temperature control | Expired / Lapsed | 1942-04-30 | 1945-03-27 | 0 | Details |
| US2369583A | Method of making arcuate molded articles | Expired / Lapsed | 1943-12-27 | 1945-02-13 | 0 | Details |
| US2369319A | Gauge | Expired / Lapsed | 1943-05-31 | 1945-02-13 | 0 | Details |
| US2368084A | Protector | Expired / Lapsed | 1942-08-27 | 1945-01-30 | 0 | Details |
| US2367004A | Gear checking fixture | Expired / Lapsed | 1944-02-28 | 1945-01-09 | 0 | Details |
| US2366236A | Domestic appliance | Expired / Lapsed | 1940-09-28 | 1945-01-02 | 0 | Details |
| US2365562A | Method of making porous metal bearings | Expired / Lapsed | 1942-03-20 | 1944-12-19 | 0 | Details |
| US2363184A | Domestic appliance | Expired / Lapsed | 1940-08-31 | 1944-11-21 | 0 | Details |
| US2362939A | Collapsible top | Expired / Lapsed | 1941-08-29 | 1944-11-14 | 0 | Details |
| US2362449A | Variable feed mechanism | Expired / Lapsed | 1941-02-20 | 1944-11-14 | 0 | Details |
| US2361855A | Refrigerating apparatus | Expired / Lapsed | 1941-05-28 | 1944-10-31 | 0 | Details |
| US2361090A | Refrigerating apparatus | Expired / Lapsed | 1942-01-30 | 1944-10-24 | 0 | Details |
| US2361266A | Domestic appliance | Expired / Lapsed | 1941-02-24 | 1944-10-24 | 0 | Details |
| US2360187A | Torque limiting clutch | Expired / Lapsed | 1943-05-24 | 1944-10-10 | 0 | Details |
| US2360123A | Oil cooler | Expired / Lapsed | 1942-09-18 | 1944-10-10 | 0 | Details |
| US2359386A | Fluid separator apparatus | Expired / Lapsed | 1942-07-09 | 1944-10-03 | 0 | Details |
| US2358020A | Color analyzing device | Expired / Lapsed | 1940-08-31 | 1944-09-12 | 0 | Details |
| US2357569A | Gauge | Expired / Lapsed | 1942-06-17 | 1944-09-05 | 0 | Details |
| US2357512A | Testing machine | Expired / Lapsed | 1941-09-17 | 1944-09-05 | 0 | Details |
| US2357353A | Method and apparatus for testing thermostatic control devic… | Expired / Lapsed | 1941-01-28 | 1944-09-05 | 0 | Details |
| US2354830A | Alternative two or four wheel steering | Expired / Lapsed | 1942-08-10 | 1944-08-01 | 0 | Details |
| US2354300A | Transfer case for power transmissions | Expired / Lapsed | 1942-06-03 | 1944-07-25 | 0 | Details |
| US2353905A | Power transmission | Expired / Lapsed | 1941-06-27 | 1944-07-18 | 0 | Details |
| US2352958A | Electric fuel pump | Expired / Lapsed | 1942-06-22 | 1944-07-04 | 0 | Details |
| US2352774A | Engine starter control system | Expired / Lapsed | 1940-07-12 | 1944-07-04 | 0 | Details |
| US2347874A | Electric switch | Expired / Lapsed | 1942-09-07 | 1944-05-02 | 0 | Details |
| US2347379A | Pressure tank | Expired / Lapsed | 1942-11-30 | 1944-04-25 | 0 | Details |
| US2346837A | Refrigerating apparatus | Expired / Lapsed | 1941-02-24 | 1944-04-18 | 0 | Details |
| US2346158A | Driving mechanism | Expired / Lapsed | 1943-06-16 | 1944-04-11 | 0 | Details |
| US2346352A | Cam operated machine | Expired / Lapsed | 1941-12-30 | 1944-04-11 | 0 | Details |
| US2346398A | Oil burner | Expired / Lapsed | 1940-07-17 | 1944-04-11 | 0 | Details |
| US2344982A | Method oe washing | Expired / Lapsed | 1940-05-17 | 1944-03-28 | 0 | Details |
| US2344753A | Balancing machine | Expired / Lapsed | 1940-08-02 | 1944-03-21 | 0 | Details |
| US2343079A | Coupling | Expired / Lapsed | 1941-12-22 | 1944-02-29 | 0 | Details |
| US2343060A | Switch | Expired / Lapsed | 1941-09-25 | 1944-02-29 | 0 | Details |
| US2341731A | Wire coating apparatus | Expired / Lapsed | 1942-03-07 | 1944-02-15 | 0 | Details |
| US2340502A | Horn control system | Expired / Lapsed | 1940-05-02 | 1944-02-01 | 0 | Details |
| US2338931A | Refrigerating apparatus | Expired / Lapsed | 1940-09-28 | 1944-01-11 | 0 | Details |
| US2338255A | Therapeutic device | Expired / Lapsed | 1942-04-30 | 1944-01-04 | 0 | Details |
| US2338240A | Refrigerating apparatus | Expired / Lapsed | 1942-04-23 | 1944-01-04 | 0 | Details |
| US2338247A | Therapeutic device | Expired / Lapsed | 1941-10-13 | 1944-01-04 | 0 | Details |
| US2333899A | Refrigerating apparatus | Expired / Lapsed | 1934-05-25 | 1943-11-09 | 0 | Details |
| US2332737A | Composite metal article | Expired / Lapsed | 1940-07-23 | 1943-10-26 | 0 | Details |
| US2332730A | Refrigerating apparatus | Expired / Lapsed | 1939-10-30 | 1943-10-26 | 0 | Details |
| US2332014A | Spark plug insulator | Expired / Lapsed | 1938-10-14 | 1943-10-19 | 0 | Details |
| US2330438A | Apparatus for sintering powdered metals | Expired / Lapsed | 1941-02-17 | 1943-09-28 | 0 | Details |
| US2329818A | Photocell control | Expired / Lapsed | 1940-12-13 | 1943-09-21 | 0 | Details |
| US2327805A | Porous metal | Expired / Lapsed | 1941-04-04 | 1943-08-24 | 0 | Details |
| US2326430A | Propeller manufacture | Expired / Lapsed | 1940-06-14 | 1943-08-10 | 0 | Details |
| US2325399A | Oil filter | Expired / Lapsed | 1940-07-13 | 1943-07-27 | 0 | Details |
| US2325427A | Heater and windshield defroster | Expired / Lapsed | 1939-12-16 | 1943-07-27 | 0 | Details |
| US2321840A | Spark plug and method of making same | Expired / Lapsed | 1942-01-23 | 1943-06-15 | 0 | Details |
| US2321983A | Roof spraying machine | Expired / Lapsed | 1941-02-13 | 1943-06-15 | 0 | Details |
| US2321865A | Refrigerating apparatus | Expired / Lapsed | 1940-09-19 | 1943-06-15 | 0 | Details |
| US2321064A | Flexible tubing | Expired / Lapsed | 1940-12-05 | 1943-06-08 | 0 | Details |
| US2320659A | Material handling device | Expired / Lapsed | 1941-09-17 | 1943-06-01 | 0 | Details |
| US2320432A | Refrigerating apparatus | Expired / Lapsed | 1939-10-24 | 1943-06-01 | 0 | Details |
| US2319522A | Refrigerating apparatus | Expired / Lapsed | 1940-05-25 | 1943-05-18 | 0 | Details |
| US2317305A | Insulator seal | Expired / Lapsed | 1941-07-05 | 1943-04-20 | 0 | Details |
| US2316255A | Anemometer | Expired / Lapsed | 1941-11-19 | 1943-04-13 | 0 | Details |
| US2316009A | Barometric device | Expired / Lapsed | 1941-08-25 | 1943-04-06 | 0 | Details |
| US2314592A | Domestic appliance | Expired / Lapsed | 1939-10-18 | 1943-03-23 | 0 | Details |
| US2313928A | Domestic appliance | Expired / Lapsed | 1939-04-24 | 1943-03-16 | 0 | Details |
| US2311936A | Engine blower control | Expired / Lapsed | 1941-04-01 | 1943-02-23 | 0 | Details |
| US2311972A | Power operated window regulator | Expired / Lapsed | 1941-03-24 | 1943-02-23 | 0 | Details |
| US2308041A | Fuel pump | Expired / Lapsed | 1941-09-27 | 1943-01-12 | 0 | Details |
| US2307833A | Domestic appliance | Expired / Lapsed | 1940-02-14 | 1943-01-12 | 0 | Details |
| US2306469A | Air gauge | Expired / Lapsed | 1941-12-29 | 1942-12-29 | 0 | Details |
| US2306460A | Molding retaining clip | Expired / Lapsed | 1940-11-29 | 1942-12-29 | 0 | Details |
| US2306632A | Refrigerating apparatus | Expired / Lapsed | 1940-09-28 | 1942-12-29 | 0 | Details |
| US2306002A | Voltage transformation apparatus | Expired / Lapsed | 1933-10-02 | 1942-12-22 | 0 | Details |
| US2304607A | Method of making electric motors | Expired / Lapsed | 1938-10-12 | 1942-12-08 | 0 | Details |
| US2302687A | Engine control apparatus | Expired / Lapsed | 1933-01-28 | 1942-11-24 | 0 | Details |
| US2302012A | Domestic appliance | Expired / Lapsed | 1938-06-21 | 1942-11-17 | 0 | Details |
| US2301447A | Connector | Expired / Lapsed | 1939-12-29 | 1942-11-10 | 0 | Details |
| US2301121A | Oil filter | Expired / Lapsed | 1940-07-13 | 1942-11-03 | 0 | Details |
| US2301120A | Screen oil filter | Expired / Lapsed | 1940-01-12 | 1942-11-03 | 0 | Details |
| US2300844A | Spring suspension | Expired / Lapsed | 1939-12-23 | 1942-11-03 | 0 | Details |
| US2300013A | Torsion joint | Expired / Lapsed | 1942-01-16 | 1942-10-27 | 0 | Details |
| US2299671A | Electromagnetic motor switch | Expired / Lapsed | 1940-10-28 | 1942-10-20 | 0 | Details |
| US2299655A | Refrigerating apparatus | Expired / Lapsed | 1940-09-25 | 1942-10-20 | 0 | Details |
| US2299192A | Method of making sintered articles | Expired / Lapsed | 1939-09-07 | 1942-10-20 | 0 | Details |
| US2299688A | Domestic appliance | Expired / Lapsed | 1939-06-29 | 1942-10-20 | 0 | Details |
| US2296633A | Headlight connector | Expired / Lapsed | 1940-12-09 | 1942-09-22 | 0 | Details |
| US2296221A | Clamp | Expired / Lapsed | 1941-04-10 | 1942-09-15 | 0 | Details |
| US2296054A | Shield for spark plugs | Expired / Lapsed | 1929-06-20 | 1942-09-15 | 0 | Details |
| US2293840A | Impregnating apparatus | Expired / Lapsed | 1939-07-13 | 1942-08-25 | 0 | Details |
| US2294037A | Method of making motor-compressor units for refrigeration | Expired / Lapsed | 1939-06-28 | 1942-08-25 | 0 | Details |
| US2293289A | Strain gauge | Expired / Lapsed | 1941-05-08 | 1942-08-18 | 0 | Details |
| US2293288A | Vibration indicator | Expired / Lapsed | 1940-05-29 | 1942-08-18 | 0 | Details |
| US2293532A | Refrigerating apparatus | Expired / Lapsed | 1939-09-29 | 1942-08-18 | 0 | Details |
| US2290348A | Container | Expired / Lapsed | 1940-03-06 | 1942-07-21 | 0 | Details |
| US2289654A | Ship drive and control system | Expired / Lapsed | 1941-10-24 | 1942-07-14 | 0 | Details |
| US2289658A | Method of making composite metal elements | Expired / Lapsed | 1939-05-01 | 1942-07-14 | 0 | Details |
| US2289905A | Refrigerating apparatus | Expired / Lapsed | 1939-03-09 | 1942-07-14 | 0 | Details |
| US2288918A | Wiring connector socket | Expired / Lapsed | 1941-03-24 | 1942-07-07 | 0 | Details |
| US2288094A | Method of making tubing | Expired / Lapsed | 1939-01-28 | 1942-06-30 | 0 | Details |
| US2287791A | Engine starter control apparatus | Expired / Lapsed | 1934-07-12 | 1942-06-30 | 0 | Details |
| US2287178A | Method of forming refrigerating apparatus | Expired / Lapsed | 1938-10-22 | 1942-06-23 | 0 | Details |
| US2286717A | Electric oil pressure gauge | Expired / Lapsed | 1940-12-04 | 1942-06-16 | 0 | Details |
| US2286491A | Refrigerating apparatus | Expired / Lapsed | 1940-03-30 | 1942-06-16 | 0 | Details |
| US2284538A | Head-lamp mounting | Expired / Lapsed | 1940-08-17 | 1942-05-26 | 0 | Details |
| US2282949A | Vacuum control of clutch capacity | Expired / Lapsed | 1937-10-18 | 1942-05-12 | 0 | Details |
| US2281626A | Refrigerating apparatus | Expired / Lapsed | 1939-03-31 | 1942-05-05 | 0 | Details |
| US2280384A | Engine balancing | Expired / Lapsed | 1939-06-05 | 1942-04-21 | 0 | Details |
| US2278627A | Molding | Expired / Lapsed | 1941-03-26 | 1942-04-07 | 0 | Details |
| US2275556A | Switch | Expired / Lapsed | 1940-08-26 | 1942-03-10 | 0 | Details |
| US2275763A | Process of making valves | Expired / Lapsed | 1938-10-07 | 1942-03-10 | 0 | Details |
| US2274550A | Method of making rifled extruded tubes | Expired / Lapsed | 1940-07-15 | 1942-02-24 | 0 | Details |
| US2273951A | Combined fog and driving light | Expired / Lapsed | 1939-11-30 | 1942-02-24 | 0 | Details |
| US2273734A | Domestic appliance | Expired / Lapsed | 1940-03-30 | 1942-02-17 | 0 | Details |
| US2270505A | Volume checking fixture | Expired / Lapsed | 1941-04-09 | 1942-01-20 | 0 | Details |
| US2270536A | Transmission drive cooling system | Expired / Lapsed | 1940-02-17 | 1942-01-20 | 0 | Details |
| US2270392A | Self-aligning bearing | Expired / Lapsed | 1939-08-10 | 1942-01-20 | 0 | Details |
| US2269069A | Electric motor | Expired / Lapsed | 1938-12-19 | 1942-01-06 | 0 | Details |
| US2267918A | Porous article and method of making same | Expired / Lapsed | 1940-03-27 | 1941-12-30 | 0 | Details |
| US2267524A | Steering gear | Expired / Lapsed | 1939-08-12 | 1941-12-23 | 0 | Details |
| US2266316A | Fluid flow indicator | Expired / Lapsed | 1940-06-20 | 1941-12-16 | 0 | Details |
| US2266315A | Pressure indicator | Expired / Lapsed | 1940-06-20 | 1941-12-16 | 0 | Details |
| US2266276A | Combined heat treatment and bending method | Expired / Lapsed | 1939-06-23 | 1941-12-16 | 0 | Details |
| US2266175A | Bearing and seal therefor | Expired / Lapsed | 1938-08-27 | 1941-12-16 | 0 | Details |
| US2265352A | Spark plug | Expired / Lapsed | 1941-03-31 | 1941-12-09 | 0 | Details |
| US2264900A | Electrolytic condenser | Expired / Lapsed | 1939-07-15 | 1941-12-02 | 0 | Details |
| US2263980A | Air control mechanism | Expired / Lapsed | 1938-06-16 | 1941-11-25 | 0 | Details |
| US2260887A | Air conditioner | Expired / Lapsed | 1936-10-28 | 1941-10-28 | 0 | Details |
| US2258809A | Thermocouple | Expired / Lapsed | 1939-10-28 | 1941-10-14 | 0 | Details |
| US2258747A | Direction signal | Expired / Lapsed | 1939-03-02 | 1941-10-14 | 0 | Details |
| DE711498C | Automatic stepless adjustment device on the wheel brake cyl… | Expired / Lapsed | 1937-06-04 | 1941-10-02 | 0 | Details |
| US2255437A | Overload device for capacitor start electric motors | Expired / Lapsed | 1938-03-26 | 1941-09-09 | 0 | Details |
| US2254495A | Pump | Expired / Lapsed | 1938-04-04 | 1941-09-02 | 0 | Details |
| US2253671A | Vehicle heating and windshield defrosting device | Expired / Lapsed | 1939-08-28 | 1941-08-26 | 0 | Details |
| US2253327A | Lubricating method | Expired / Lapsed | 1938-04-20 | 1941-08-19 | 0 | Details |
| US2252173A | Refrigerating apparatus | Expired / Lapsed | 1938-01-27 | 1941-08-12 | 0 | Details |
| US2251410A | Composite metal structure and method of making same | Expired / Lapsed | 1939-04-27 | 1941-08-05 | 0 | Details |
| US2249952A | Heat exchanger | Expired / Lapsed | 1940-02-29 | 1941-07-22 | 0 | Details |
| US2249930A | Water pump seal | Expired / Lapsed | 1939-04-18 | 1941-07-22 | 0 | Details |
| US2249971A | Cooling system pressure relief device | Expired / Lapsed | 1939-03-31 | 1941-07-22 | 0 | Details |
| US2249946A | Car heater | Expired / Lapsed | 1939-02-06 | 1941-07-22 | 0 | Details |
| US2249120A | Direction signal operating means | Expired / Lapsed | 1939-12-07 | 1941-07-15 | 0 | Details |
| US2248415A | Spark plug electrode seal | Expired / Lapsed | 1940-07-03 | 1941-07-08 | 0 | Details |
| US2248801A | Method of making refrigerating apparatus | Expired / Lapsed | 1938-05-25 | 1941-07-08 | 0 | Details |
| US2244900A | Refrigerating apparatus | Expired / Lapsed | 1939-07-20 | 1941-06-10 | 0 | Details |
| US2244932A | Thermostatically controlled engine cooling system | Expired / Lapsed | 1938-05-04 | 1941-06-10 | 0 | Details |
| US2245454A | Refrigerating apparatus | Expired / Lapsed | 1937-09-24 | 1941-06-10 | 0 | Details |
| US2243466A | Refrigerating apparatus | Expired / Lapsed | 1940-03-25 | 1941-05-27 | 0 | Details |
| US2243465A | Refrigerating apparatus | Expired / Lapsed | 1939-05-04 | 1941-05-27 | 0 | Details |
| US2242506A | Photo-cell control for die sinking machines | Expired / Lapsed | 1937-07-31 | 1941-05-20 | 0 | Details |
| US2242142A | Lock switch coil | Expired / Lapsed | 1939-08-25 | 1941-05-13 | 0 | Details |
| US2241095A | Method of making porous metal structures | Expired / Lapsed | 1940-02-01 | 1941-05-06 | 0 | Details |
| US2241101A | Refrigerating apparatus | Expired / Lapsed | 1939-04-06 | 1941-05-06 | 0 | Details |
| US2241086A | Refrigerating apparatus | Expired / Lapsed | 1939-01-28 | 1941-05-06 | 0 | Details |
| US2240354A | Refrigerating apparatus | Expired / Lapsed | 1935-03-29 | 1941-04-29 | 0 | Details |
| US2237103A | Gang spot welder | Expired / Lapsed | 1938-07-05 | 1941-04-01 | 0 | Details |
| US2229612A | Refrigerating apparatus | Expired / Lapsed | 1938-04-28 | 1941-01-21 | 0 | Details |
| US2228394A | Bearing structure | Expired / Lapsed | 1938-11-12 | 1941-01-14 | 0 | Details |
| US2227537A | Refrigerating apparatus | Expired / Lapsed | 1938-08-19 | 1941-01-07 | 0 | Details |
| US2226605A | Pneumatic cushion | Expired / Lapsed | 1938-03-25 | 1940-12-31 | 0 | Details |
| US2225972A | Exposition tent | Expired / Lapsed | 1940-07-02 | 1940-12-24 | 0 | Details |
| US2225261A | Charge forming device | Expired / Lapsed | 1935-04-08 | 1940-12-17 | 0 | Details |
| US2222721A | Oil cooler | Expired / Lapsed | 1936-04-13 | 1940-11-26 | 0 | Details |
| US2221393A | Variable speed control | Expired / Lapsed | 1938-07-01 | 1940-11-12 | 0 | Details |
| US2220641A | Porous metal filter element | Expired / Lapsed | 1938-01-28 | 1940-11-05 | 0 | Details |
| US2219423A | Method of forming porous metal articles | Expired / Lapsed | 1938-07-28 | 1940-10-29 | 0 | Details |
| US2218622A | Thermocouple | Expired / Lapsed | 1939-10-28 | 1940-10-22 | 0 | Details |
| US2216201A | Method of making tubular inserts | Expired / Lapsed | 1934-12-22 | 1940-10-01 | 0 | Details |
| US2214942A | Flexible mounting for reciprocating engines | Expired / Lapsed | 1938-12-16 | 1940-09-17 | 0 | Details |
| US2214931A | Ceramic body for spark plug insulators | Expired / Lapsed | 1938-09-07 | 1940-09-17 | 0 | Details |
| US2214921A | Vibration suppressing means | Expired / Lapsed | 1937-04-12 | 1940-09-17 | 0 | Details |
| US2211233A | Fluid flywheel gearing arrangement | Expired / Lapsed | 1939-04-10 | 1940-08-13 | 0 | Details |
| US2211118A | Instrument lighting | Expired / Lapsed | 1937-12-15 | 1940-08-13 | 0 | Details |
| US2211191A | Clutch | Expired / Lapsed | 1937-08-12 | 1940-08-13 | 0 | Details |
| US2211221A | Oil burner switch control | Expired / Lapsed | 1936-06-08 | 1940-08-13 | 0 | Details |
| US2209477A | Resilient motor mount | Expired / Lapsed | 1938-11-03 | 1940-07-30 | 0 | Details |
| US2209459A | Overrunning clutch | Expired / Lapsed | 1938-03-03 | 1940-07-30 | 0 | Details |
| US2205690A | Hog ring clinching tool | Expired / Lapsed | 1939-05-24 | 1940-06-25 | 0 | Details |
| US2204872A | Change speed gearing and control | Expired / Lapsed | 1938-04-01 | 1940-06-18 | 0 | Details |
| US2203902A | Container for electrolytic condensers | Expired / Lapsed | 1937-11-26 | 1940-06-11 | 0 | Details |
| US2203464A | Pump | Expired / Lapsed | 1938-04-01 | 1940-06-04 | 0 | Details |
| US2201335A | Fastening device | Expired / Lapsed | 1939-03-15 | 1940-05-21 | 0 | Details |
| US2200215A | Refrigerating apparatus | Expired / Lapsed | 1938-02-10 | 1940-05-07 | 0 | Details |
| US2199620A | Method of sizing and riveting porous metal articles | Expired / Lapsed | 1937-11-10 | 1940-05-07 | 0 | Details |
| US2199623A | Conductor bending die | Expired / Lapsed | 1936-06-15 | 1940-05-07 | 0 | Details |
| US2198702A | Method of making molded porous metal articles | Expired / Lapsed | 1937-06-01 | 1940-04-30 | 0 | Details |
| US2198488A | Electrical apparatus | Expired / Lapsed | 1937-01-21 | 1940-04-23 | 0 | Details |
| US2197582A | Refrigerating apparatus | Expired / Lapsed | 1938-03-26 | 1940-04-16 | 0 | Details |
| US2197115A | Electric thermogauge engine unit | Expired / Lapsed | 1937-01-27 | 1940-04-16 | 0 | Details |
| US2196476A | Refrigerating apparatus | Expired / Lapsed | 1937-03-06 | 1940-04-09 | 0 | Details |
| US2195266A | Pressure cap | Expired / Lapsed | 1939-02-24 | 1940-03-26 | 0 | Details |
| US2195272A | Mineral wool binder | Expired / Lapsed | 1937-06-14 | 1940-03-26 | 0 | Details |
| US2193880A | Punch press control | Expired / Lapsed | 1937-04-20 | 1940-03-19 | 0 | Details |
| US2194372A | Control system | Expired / Lapsed | 1935-08-19 | 1940-03-19 | 0 | Details |
| US2193305A | Brake and clutch capacity control | Expired / Lapsed | 1937-08-21 | 1940-03-12 | 0 | Details |
| US2193304A | Change-speed mechanism and control | Expired / Lapsed | 1935-10-16 | 1940-03-12 | 0 | Details |
| US2192792A | Method of sintering and impregnating porous metal briquettes | Expired / Lapsed | 1938-07-28 | 1940-03-05 | 0 | Details |
| US2191631A | Brazing of thin metal structures | Expired / Lapsed | 1938-09-28 | 1940-02-27 | 0 | Details |
| US2191936A | Manufacture of porous iron articles | Expired / Lapsed | 1938-03-10 | 1940-02-27 | 0 | Details |
| US2191611A | Radiator overflow regulator | Expired / Lapsed | 1938-02-26 | 1940-02-27 | 0 | Details |
| US2191630A | Humidity compensated thermostat | Expired / Lapsed | 1937-06-17 | 1940-02-27 | 0 | Details |
| US2191198A | Refrigerating apparatus | Expired / Lapsed | 1937-02-26 | 1940-02-20 | 0 | Details |
| US2191208A | Air conditioning | Expired / Lapsed | 1936-09-30 | 1940-02-20 | 0 | Details |
| US2190502A | Ice tray | Expired / Lapsed | 1938-05-07 | 1940-02-13 | 0 | Details |
| US2190344A | Air conditioning | Expired / Lapsed | 1936-11-10 | 1940-02-13 | 0 | Details |
| US2190613A | Refrigerating apparatus | Expired / Lapsed | 1936-04-30 | 1940-02-13 | 0 | Details |
| US2189526A | Double acting vacuum pump | Expired / Lapsed | 1938-03-28 | 1940-02-06 | 0 | Details |
| US2187589A | Porous iron article and method of making same | Expired / Lapsed | 1938-11-03 | 1940-01-16 | 0 | Details |
| US2187086A | Metallic element and method of making same | Expired / Lapsed | 1938-02-10 | 1940-01-16 | 0 | Details |
| US2187470A | Refrigerating apparatus | Expired / Lapsed | 1937-01-16 | 1940-01-16 | 0 | Details |
| US2187569A | Refrigerating apparatus | Expired / Lapsed | 1935-06-29 | 1940-01-16 | 0 | Details |
| US2187061A | Refrigerating apparatus | Expired / Lapsed | 1935-01-31 | 1940-01-16 | 0 | Details |
| US2186299A | Auxillary shutter | Expired / Lapsed | 1937-02-13 | 1940-01-09 | 0 | Details |
| US2186900A | Refrigerating apparatus | Expired / Lapsed | 1936-06-19 | 1940-01-09 | 0 | Details |
| US2182977A | Centrifugal switch | Expired / Lapsed | 1936-10-23 | 1939-12-12 | 0 | Details |
| US2181981A | Temperature responsive resistor | Expired / Lapsed | 1937-08-19 | 1939-12-05 | 0 | Details |
| US2179696A | Load limiting governor | Expired / Lapsed | 1937-08-23 | 1939-11-14 | 0 | Details |
| US2178719A | Fastening device | Expired / Lapsed | 1937-08-23 | 1939-11-07 | 0 | Details |
| US2177943A | Ceramic body for spark plug insulators | Expired / Lapsed | 1938-09-07 | 1939-10-31 | 0 | Details |
| US2176214A | Headlight tester | Expired / Lapsed | 1935-08-26 | 1939-10-17 | 0 | Details |
| US2175431A | Hydraulic brake wheel cylinder | Expired / Lapsed | 1938-04-11 | 1939-10-10 | 0 | Details |
| US2175429A | Steering linkage | Expired / Lapsed | 1937-07-26 | 1939-10-10 | 0 | Details |
| US2173661A | Variable speed drive | Expired / Lapsed | 1933-11-22 | 1939-09-19 | 0 | Details |
| US2171927A | Balancing machine | Expired / Lapsed | 1938-01-26 | 1939-09-05 | 0 | Details |
| US2171157A | Pivotal joint | Expired / Lapsed | 1938-05-16 | 1939-08-29 | 0 | Details |
| US2171110A | Refrigerating apparatus | Expired / Lapsed | 1937-09-04 | 1939-08-29 | 0 | Details |
| US2169802A | Apparatus for forming and attaching plug terminals | Expired / Lapsed | 1938-02-23 | 1939-08-15 | 0 | Details |
| US2166109A | Method of making tubing for refrigerating apparatus | Expired / Lapsed | 1936-06-11 | 1939-07-18 | 0 | Details |
| US2166906A | Refrigerating apparatus | Expired / Lapsed | 1936-01-21 | 1939-07-18 | 0 | Details |
| US2165660A | Instrument cluster cabinet | Expired / Lapsed | 1937-12-20 | 1939-07-11 | 0 | Details |
| US2164485A | Slip clutch device | Expired / Lapsed | 1938-10-21 | 1939-07-04 | 0 | Details |
| US2164450A | Radiator pressure cap | Expired / Lapsed | 1937-12-30 | 1939-07-04 | 0 | Details |
| US2159203A | Spring suspension | Expired / Lapsed | 1938-01-06 | 1939-05-23 | 0 | Details |
| US2159225A | Steering gear | Expired / Lapsed | 1937-10-15 | 1939-05-23 | 0 | Details |
| US2159741A | Bed air conditioning apparatus | Expired / Lapsed | 1933-08-30 | 1939-05-23 | 0 | Details |
| US2157596A | Method of making porous metal elements | Expired / Lapsed | 1936-06-18 | 1939-05-09 | 0 | Details |
| US2154077A | Universal joint | Expired / Lapsed | 1937-05-28 | 1939-04-11 | 0 | Details |
| US2153095A | Glare shield | Expired / Lapsed | 1936-02-17 | 1939-04-04 | 0 | Details |
| US2152499A | Master cylinder for hydraulic brakes | Expired / Lapsed | 1936-06-01 | 1939-03-28 | 0 | Details |
| US2152157A | Refrigerating apparatus | Expired / Lapsed | 1935-04-30 | 1939-03-28 | 0 | Details |
| US2148801A | Switch | Expired / Lapsed | 1937-08-16 | 1939-02-28 | 0 | Details |
| US2148816A | Automatic choke for carburetors | Expired / Lapsed | 1934-09-06 | 1939-02-28 | 0 | Details |
| US2146796A | Refrigerating apparatus | Expired / Lapsed | 1934-05-25 | 1939-02-14 | 0 | Details |
| US2145931A | Instrument panel | Expired / Lapsed | 1935-11-11 | 1939-02-07 | 0 | Details |
| US2145711A | Sounding signal device | Expired / Lapsed | 1934-04-19 | 1939-01-31 | 0 | Details |
| US2144861A | Fuel pump injector | Expired / Lapsed | 1936-08-31 | 1939-01-24 | 0 | Details |
| US2140844A | Door weather strip | Expired / Lapsed | 1937-03-29 | 1938-12-20 | 0 | Details |
| US2141053A | Motor-compressor unit for refrigerating apparatus | Expired / Lapsed | 1934-10-31 | 1938-12-20 | 0 | Details |
| US2139385A | Electric thermogauge-dash unit | Expired / Lapsed | 1937-01-25 | 1938-12-06 | 0 | Details |
| US2139329A | Weather strip | Expired / Lapsed | 1936-04-15 | 1938-12-06 | 0 | Details |
| US2139373A | Electric fuel pump | Expired / Lapsed | 1936-01-13 | 1938-12-06 | 0 | Details |
| US2138206A | Slack adjuster | Expired / Lapsed | 1936-05-28 | 1938-11-29 | 0 | Details |
| US2138660A | Refrigerating apparatus | Expired / Lapsed | 1934-10-24 | 1938-11-29 | 0 | Details |
| US2136155A | Locking device for bearings and the like | Expired / Lapsed | 1936-02-26 | 1938-11-08 | 0 | Details |
| US2135515A | Refrigerating apparatus | Expired / Lapsed | 1931-01-31 | 1938-11-08 | 0 | Details |
| US2135091A | Refrigerating apparatus | Expired / Lapsed | 1936-01-22 | 1938-11-01 | 0 | Details |
| US2135022A | Liquid-congealing apparatus and process of treating same | Expired / Lapsed | 1935-05-16 | 1938-11-01 | 0 | Details |
| US2134552A | Refrigerating apparatus | Expired / Lapsed | 1934-07-05 | 1938-10-25 | 0 | Details |
| US2133575A | Pressure relief valve | Expired / Lapsed | 1936-05-02 | 1938-10-18 | 0 | Details |
| US2133773A | Stabilizer | Expired / Lapsed | 1934-07-28 | 1938-10-18 | 0 | Details |
| US2131413A | Ignition timing control | Expired / Lapsed | 1936-02-28 | 1938-09-27 | 0 | Details |
| US2131622A | Odometer reset mechanism | Expired / Lapsed | 1935-08-29 | 1938-09-27 | 0 | Details |
| US2130288A | Automobile suspension system | Expired / Lapsed | 1935-07-17 | 1938-09-13 | 0 | Details |
| US2129125A | Bearing having a nonmetallic fabric lining and method of ma… | Expired / Lapsed | 1935-03-27 | 1938-09-06 | 0 | Details |
| US2127990A | Refrigerating apparatus | Expired / Lapsed | 1934-04-16 | 1938-08-23 | 0 | Details |
| US2125628A | Magnetizer | Expired / Lapsed | 1933-12-22 | 1938-08-02 | 0 | Details |
| US2124060A | Method of making bronze faced bearings | Expired / Lapsed | 1936-06-24 | 1938-07-19 | 0 | Details |
| US2124268A | Refrigerating apparatus | Expired / Lapsed | 1931-08-31 | 1938-07-19 | 0 | Details |
| US2122960A | Refractory body and method of making same | Expired / Lapsed | 1935-01-25 | 1938-07-05 | 0 | Details |
| US2122012A | Refrigerating apparatus | Expired / Lapsed | 1933-12-01 | 1938-06-28 | 0 | Details |
| US2120024A | Manufacture of flared frustums | Expired / Lapsed | 1935-12-09 | 1938-06-07 | 0 | Details |
| US2115087A | Tie rod end | Expired / Lapsed | 1935-02-25 | 1938-04-26 | 0 | Details |
| US2113610A | Temperature indicator | Expired / Lapsed | 1935-02-27 | 1938-04-12 | 0 | Details |
| US2111009A | Electrical apparatus | Expired / Lapsed | 1934-05-26 | 1938-03-15 | 0 | Details |
| US2106840A | Refrigerating apparatus | Expired / Lapsed | 1935-10-26 | 1938-02-01 | 0 | Details |
| US2106578A | Sealing composition, method of using same, and articles mad… | Expired / Lapsed | 1936-05-04 | 1938-01-25 | 0 | Details |
| US2104394A | Heating and ventilating of passenger cars | Expired / Lapsed | 1935-03-07 | 1938-01-04 | 0 | Details |
| US2104381A | Refrigerating apparatus | Expired / Lapsed | 1935-01-31 | 1938-01-04 | 0 | Details |
| US2101759A | Bearing | Expired / Lapsed | 1934-07-02 | 1937-12-07 | 0 | Details |
| US2100642A | Gear shift lever and resilient mount therefor | Expired / Lapsed | 1935-05-02 | 1937-11-30 | 0 | Details |
| US2097539A | Refrigerating apparatus | Expired / Lapsed | 1935-05-31 | 1937-11-02 | 0 | Details |
| US2096211A | Change speed gearing | Expired / Lapsed | 1934-10-17 | 1937-10-19 | 0 | Details |
| US2096252A | Method of making a bearing material | Expired / Lapsed | 1934-02-19 | 1937-10-19 | 0 | Details |
| US2095579A | Control system | Expired / Lapsed | 1934-09-06 | 1937-10-12 | 0 | Details |
| US2094823A | Mold | Expired / Lapsed | 1935-06-27 | 1937-10-05 | 0 | Details |
| US2093810A | Method of making tubing | Expired / Lapsed | 1936-03-13 | 1937-09-21 | 0 | Details |
| US2089608A | Refrigerating apparatus | Expired / Lapsed | 1934-01-30 | 1937-08-10 | 0 | Details |
| US2084997A | Refrigerating apparatus | Expired / Lapsed | 1935-02-25 | 1937-06-29 | 0 | Details |
| US2085028A | Air conditioning apparatus | Expired / Lapsed | 1932-07-20 | 1937-06-29 | 0 | Details |
| US2083718A | Steering lever joint | Expired / Lapsed | 1934-09-08 | 1937-06-15 | 0 | Details |
| US2082379A | Press fitting | Expired / Lapsed | 1934-04-11 | 1937-06-01 | 0 | Details |
| US2079406A | Oil trap for vacuum pumps | Expired / Lapsed | 1934-09-15 | 1937-05-04 | 0 | Details |
| US2079409A | Vacuum-operated brake | Expired / Lapsed | 1933-07-20 | 1937-05-04 | 0 | Details |
| US2076046A | Engine mounting | Expired / Lapsed | 1936-02-24 | 1937-04-06 | 0 | Details |
| US2074388A | Gasket | Expired / Lapsed | 1934-06-28 | 1937-03-23 | 0 | Details |
| US2073153A | Speedometer | Expired / Lapsed | 1935-05-22 | 1937-03-09 | 0 | Details |
| US2073008A | Refrigerating apparatus | Expired / Lapsed | 1934-07-19 | 1937-03-09 | 0 | Details |
| US2071573A | Ignition system | Expired / Lapsed | 1934-05-28 | 1937-02-23 | 0 | Details |
| US2071785A | Control for friction transmission | Expired / Lapsed | 1932-03-12 | 1937-02-23 | 0 | Details |
| US2069772A | Refrigeration | Expired / Lapsed | 1932-09-29 | 1937-02-09 | 0 | Details |
| US2067077A | Lamp switch | Expired / Lapsed | 1935-08-08 | 1937-01-05 | 0 | Details |
| US2065604A | Refrigerating apparatus | Expired / Lapsed | 1934-03-26 | 1936-12-29 | 0 | Details |
| US2065882A | Starting and ignition system | Expired / Lapsed | 1933-08-05 | 1936-12-29 | 0 | Details |
| US2064085A | Arc welder | Expired / Lapsed | 1932-04-04 | 1936-12-15 | 0 | Details |
| US2062920A | Motor and lubricating system therefor | Expired / Lapsed | 1933-06-12 | 1936-12-01 | 0 | Details |
| US2062052A | Motor-compressor unit for refrigerating apparatus | Expired / Lapsed | 1932-06-30 | 1936-11-24 | 0 | Details |
| US2061780A | Piston ring and process of producing same | Expired / Lapsed | 1923-07-16 | 1936-11-24 | 0 | Details |
| US2059992A | Refrigerating apparatus | Expired / Lapsed | 1936-01-25 | 1936-11-03 | 0 | Details |
| US2059970A | Refrigerating apparatus | Expired / Lapsed | 1935-02-09 | 1936-11-03 | 0 | Details |
| US2059942A | Refrigerating apparatus | Expired / Lapsed | 1934-01-31 | 1936-11-03 | 0 | Details |
| US2057505A | Condenser for refrigerating apparatus | Expired / Lapsed | 1934-10-31 | 1936-10-13 | 0 | Details |
| US2056920A | Heat exchanger for refrigerating systems | Expired / Lapsed | 1935-07-17 | 1936-10-06 | 0 | Details |
| US2054580A | Leakproof seal and the like | Expired / Lapsed | 1932-10-26 | 1936-09-15 | 0 | Details |
| US2054323A | Refrigerating apparatus | Expired / Lapsed | 1928-01-31 | 1936-09-15 | 0 | Details |
| US2051695A | Testing or inspecting machine | Expired / Lapsed | 1931-12-12 | 1936-08-18 | 0 | Details |
| US2048882A | Steam boiler for car heaters | Expired / Lapsed | 1934-03-07 | 1936-07-28 | 0 | Details |
| US2048866A | Antiroll device | Expired / Lapsed | 1934-02-16 | 1936-07-28 | 0 | Details |
| US2046894A | Refrigerating apparatus | Expired / Lapsed | 1935-02-04 | 1936-07-07 | 0 | Details |
| US2046772A | Sound signal | Expired / Lapsed | 1929-06-29 | 1936-07-07 | 0 | Details |
| US2044600A | Refrigerating apparatus | Expired / Lapsed | 1931-07-03 | 1936-06-16 | 0 | Details |
| US2040923A | Vehicle signal | Expired / Lapsed | 1933-06-22 | 1936-05-19 | 0 | Details |
| US2040489A | Antifriction bearing | Expired / Lapsed | 1933-12-14 | 1936-05-12 | 0 | Details |
| US2036756A | Refrigerating apparatus | Expired / Lapsed | 1930-05-28 | 1936-04-07 | 0 | Details |
| US2035734A | Refrigerating apparatus | Expired / Lapsed | 1934-09-25 | 1936-03-31 | 0 | Details |
| US2035947A | Connecter | Expired / Lapsed | 1931-11-30 | 1936-03-31 | 0 | Details |
| US2033238A | Frozen confection | Expired / Lapsed | 1932-06-15 | 1936-03-10 | 0 | Details |
| US2029367A | Composite rubber piston | Expired / Lapsed | 1934-08-03 | 1936-02-04 | 0 | Details |
| US2028058A | Quick-assembled sectional cabinet | Expired / Lapsed | 1933-02-11 | 1936-01-14 | 0 | Details |
| US2028021A | Molding device | Expired / Lapsed | 1929-08-19 | 1936-01-14 | 0 | Details |
| US2022094A | Two-cycle engine control | Expired / Lapsed | 1933-08-05 | 1935-11-26 | 0 | Details |
| US2018153A | Vacuum pump | Expired / Lapsed | 1932-01-21 | 1935-10-22 | 0 | Details |
| US2018150A | Fuel pump | Expired / Lapsed | 1930-02-01 | 1935-10-22 | 0 | Details |
| US2016753A | Torsional spring system for vehicles | Expired / Lapsed | 1935-03-25 | 1935-10-08 | 0 | Details |
| US2014932A | Roots blower | Expired / Lapsed | 1933-03-17 | 1935-09-17 | 0 | Details |
| US2011992A | Internal combustion engine | Expired / Lapsed | 1929-12-28 | 1935-08-20 | 0 | Details |
| US2010930A | Seal for refrigerating apparatus | Expired / Lapsed | 1931-01-22 | 1935-08-13 | 0 | Details |
| US2003464A | Method of making spark plugs | Expired / Lapsed | 1933-04-26 | 1935-06-04 | 0 | Details |
| US2003855A | Electric heater | Expired / Lapsed | 1931-07-11 | 1935-06-04 | 0 | Details |
| US2001323A | Refrigerating apparatus | Expired / Lapsed | 1931-04-29 | 1935-05-14 | 0 | Details |
| US2000276A | Bearing and guard therefor | Expired / Lapsed | 1932-02-04 | 1935-05-07 | 0 | Details |
| US1998366A | Running board mat for automobiles | Expired / Lapsed | 1933-05-10 | 1935-04-16 | 0 | Details |
| US1997471A | Lighting circuit indicator | Expired / Lapsed | 1928-08-24 | 1935-04-09 | 0 | Details |
| US1992549A | Powdered iron and zinc alloy | Expired / Lapsed | 1930-02-27 | 1935-02-26 | 0 | Details |
| US1991582A | Method of making valve tappets | Expired / Lapsed | 1931-06-15 | 1935-02-19 | 0 | Details |
| US1991706A | Plastic molding apparatus | Expired / Lapsed | 1930-12-08 | 1935-02-19 | 0 | Details |
| US1986374A | Method of making a knob | Expired / Lapsed | 1932-01-18 | 1935-01-01 | 0 | Details |
| US1984013A | Two-stroke cycle engine | Expired / Lapsed | 1931-04-09 | 1934-12-11 | 0 | Details |
| US1981913A | Fuel pump | Expired / Lapsed | 1933-05-05 | 1934-11-27 | 0 | Details |
| US1981064A | Electric switch | Expired / Lapsed | 1932-04-13 | 1934-11-20 | 0 | Details |
| US1980355A | Engine starter control | Expired / Lapsed | 1933-02-02 | 1934-11-13 | 0 | Details |
| US1979999A | Spark plug for high compression engines | Expired / Lapsed | 1934-01-20 | 1934-11-06 | 0 | Details |
| US1975145A | Vibration-absorbing connecter | Expired / Lapsed | 1932-09-15 | 1934-10-02 | 0 | Details |
| US1973838A | Temperature indicator | Expired / Lapsed | 1928-06-08 | 1934-09-18 | 0 | Details |
| US1969682A | Ignition controller | Expired / Lapsed | 1931-08-24 | 1934-08-07 | 0 | Details |
| US1961352A | Rear curtain light frame | Expired / Lapsed | 1931-04-15 | 1934-06-05 | 0 | Details |
| US1958422A | Apparatus for molding plastic material | Expired / Lapsed | 1930-09-01 | 1934-05-15 | 0 | Details |
| US1955799A | Pressure control system for blower-fed two-cycle engines | Expired / Lapsed | 1931-08-24 | 1934-04-24 | 0 | Details |
| US1937961A | Wheel truing device | Expired / Lapsed | 1929-07-29 | 1933-12-05 | 0 | Details |
| US1913193A | Oil filter arrangement | Expired / Lapsed | 1928-07-02 | 1933-06-06 | 0 | Details |
| US1903130A | Chromium plating process | Expired / Lapsed | 1927-01-15 | 1933-03-28 | 0 | Details |
| US1877055A | Seat cushion | Expired / Lapsed | 1930-10-31 | 1932-09-13 | 0 | Details |
| US1855166A | Rocker arm lubrication | Expired / Lapsed | 1930-04-11 | 1932-04-19 | 0 | Details |
| US1853609A | Electric welding apparatus | Expired / Lapsed | 1928-11-30 | 1932-04-12 | 0 | Details |
| US1848083A | Method of forming valve tappets | Expired / Lapsed | 1929-08-07 | 1932-03-01 | 0 | Details |
| US1835575A | Rubber bushing | Expired / Lapsed | 1929-02-27 | 1931-12-08 | 0 | Details |
| US1826207A | Welding machine | Expired / Lapsed | 1929-12-26 | 1931-10-06 | 0 | Details |
| US1798650A | Gauging machine and gauge | Expired / Lapsed | 1922-10-31 | 1931-03-31 | 0 | Details |
| US1788861A | Pedal stop and yoke | Expired / Lapsed | 1929-01-31 | 1931-01-13 | 0 | Details |
| US1742874A | Prime-mover dynamo plant | Expired / Lapsed | 1925-09-14 | 1930-01-07 | 0 | Details |
| US1731202A | Chromium-plated exhaust valve | Expired / Lapsed | 1925-11-16 | 1929-10-08 | 0 | Details |
| US1727778A | Steering-gear assembly | Expired / Lapsed | 1927-04-15 | 1929-09-10 | 0 | Details |
| US1720953A | Transformable-type automobile body | Expired / Lapsed | 1924-05-02 | 1929-07-16 | 0 | Details |
| US1697814A | Grommet | Expired / Lapsed | 1925-12-12 | 1929-01-01 | 0 | Details |
| US1664718A | Carburetor | Expired / Lapsed | 1920-12-08 | 1928-04-03 | 0 | Details |
| US1638336A | Electric-arc welding | Expired / Lapsed | 1921-04-14 | 1927-08-09 | 0 | Details |
| US1583955A | Internal-combustion engine | Expired / Lapsed | 1922-10-30 | 1926-05-11 | 0 | Details |
| US1571862A | Prevention of fuel knock | Expired / Lapsed | 1923-09-18 | 1926-02-02 | 0 | Details |
| US1564515A | Booster brake | Expired / Lapsed | 1923-09-21 | 1925-12-08 | 0 | Details |
| US1557501A | Ignition coil | Expired / Lapsed | 1923-07-17 | 1925-10-13 | 0 | Details |
| US1498520A | Valve for internal-combustion engines and method of making … | Expired / Lapsed | 1921-05-14 | 1924-06-17 | 0 | Details |
| US1479092A | Motor-propelled agricultural machine | Expired / Lapsed | 1917-08-30 | 1924-01-01 | 0 | Details |
| US1461716A | Farm tractor | Expired / Lapsed | 1920-07-02 | 1923-07-10 | 0 | Details |
| US1417192A | Steering-gear and fuel-tank support | Expired / Lapsed | 1920-03-22 | 1922-05-23 | 0 | Details |
| US1409736A | Power plant | Expired / Lapsed | 1919-08-08 | 1922-03-14 | 0 | Details |
| US1330912A | Gear-shifting lever | Expired / Lapsed | 1917-04-21 | 1920-02-17 | 0 | Details |