3M Co
3M CoActive Patents
0
Total Holdings
553
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| WO1999065704A1 | Microstructure liquid dispenser | Expired / Lapsed | 1999-02-09 | — | 0 | Details |
| WO1999027975A1 | Low trauma adhesive article | Expired / Lapsed | 1998-12-01 | — | 0 | Details |
| WO1996037241A1 | Process for producing biocompatible surfaces | Expired / Lapsed | 1996-04-25 | — | 0 | Details |
| EP0652483A1 | Lithographic printing plates | Expired / Lapsed | 1994-10-12 | — | 18 | Details |
| EP0562478A1 | Earplug compression device | Expired / Lapsed | 1993-03-19 | — | 7 | Details |
| EP0560043A2 | Manufacturing method of devices for lightguide networks and… | Expired / Lapsed | 1993-02-03 | — | 0 | Details |
| EP0443270A2 | Blended polycaprolactone thermoplastic molding composition | Expired / Lapsed | 1990-12-24 | — | 10 | Details |
| EP0399782A2 | Modifying a membrane for use as a graft | Expired / Lapsed | 1990-05-22 | — | 13 | Details |
| EP0368541A1 | Adhesive frame bandage | Expired / Lapsed | 1989-11-01 | — | 11 | Details |
| EP0358451A1 | Heat shrinkable bandage cover | Expired / Lapsed | 1989-09-05 | — | 11 | Details |
| EP0341870A2 | Absorbent elastomeric wound dressing | Expired / Lapsed | 1989-04-28 | — | 21 | Details |
| EP0337695A2 | Abrasion resistant coatings comprising silicon dioxide disp… | Expired / Lapsed | 1989-04-10 | — | 15 | Details |
| EP0332413A1 | Surgical stapling instrument | Expired / Lapsed | 1989-03-08 | — | 10 | Details |
| EP0324578A1 | Disposable diaper with improved hook and loop fastener syst… | Expired / Lapsed | 1989-01-10 | — | 7 | Details |
| EP0323120A2 | Photocurable ionomer cement systems | Expired / Lapsed | 1988-12-21 | — | 15 | Details |
| EP0322098A1 | Pressure-sensitive adhesives and bioelectrodes constructed … | Expired / Lapsed | 1988-11-10 | — | 19 | Details |
| EP0318183A2 | Pressure-sensitive medical sealant | Expired / Lapsed | 1988-11-10 | — | 11 | Details |
| EP0305083A2 | Method for priming hard tissue | Expired / Lapsed | 1988-08-11 | — | 11 | Details |
| EP0283127A1 | Surgical staple | Expired / Lapsed | 1988-02-12 | — | 11 | Details |
| EP0276977A2 | Intravascular blood parameter measurement system | Expired / Lapsed | 1988-01-26 | — | 26 | Details |
| EP0269329A2 | Cube-corner retroreflective articles having tailored diverg… | Expired / Lapsed | 1987-11-13 | — | 17 | Details |
| EP0215605A2 | RF reactivatable marker | Expired / Lapsed | 1986-09-02 | — | 12 | Details |
| EP0202931A2 | Full color, continuous tone laser diode photographic imagin… | Expired / Lapsed | 1986-05-21 | — | 12 | Details |
| EP0161045A1 | Medical catheter | Expired / Lapsed | 1985-03-07 | — | 9 | Details |
| EP0137686A2 | Polymer blends with high water absorption | Expired / Lapsed | 1984-08-24 | — | 18 | Details |
| EP0130784A2 | Bone stapler | Expired / Lapsed | 1984-06-27 | — | 10 | Details |
| WO1984001706A1 | Stapler with retractable anvil | Expired / Lapsed | 1983-10-20 | — | 0 | Details |
| EP0084407A2 | Dentin and enamel adhesive | Expired / Lapsed | 1983-01-05 | — | 11 | Details |
| EP0064860A2 | Shielding device for radioactive seed | Expired / Lapsed | 1982-05-05 | — | 7 | Details |
| EP0058496A2 | Protuberant optical recording medium | Expired / Lapsed | 1982-02-04 | — | 15 | Details |
| EP0058483A2 | Dentin and enamel adhesives | Expired / Lapsed | 1982-01-27 | — | 11 | Details |
| EP0051935A2 | Medical device for covering a portion of the anatomical sur… | Expired / Lapsed | 1981-10-20 | — | 11 | Details |
| EP0051354A2 | Antithrombogenic articles | Expired / Lapsed | 1981-09-09 | — | 11 | Details |
| EP0037677A2 | Orthodontic bracket adhesive and abrasive for removal there… | Expired / Lapsed | 1981-03-24 | — | 12 | Details |
| DE2826690A1 | DEVICE FOR A HIP PROSTHESIS | Expired / Lapsed | 1978-06-15 | — | 0 | Details |
| DE2758541A1 | PROSTHESIS / BONE CONNECTION SYSTEM | Expired / Lapsed | 1977-12-23 | — | 0 | Details |
| DE2703347B2 | Electrosurgical «device | Expired / Lapsed | 1977-01-25 | — | 0 | Details |
| FR2326934A1 | NEW PHARMACEUTICAL COMPOSITION BASED ON SERUM-ALBUMIN SPHER… | Expired / Lapsed | 1976-10-08 | — | 0 | Details |
| DE2605410A1 | RETRORE-REFLECTIVE MATERIAL WITH GEOMETRIC FRESNEL LENS PLA… | Expired / Lapsed | 1976-02-09 | — | 0 | Details |
| DE2351440A1 | MICROSTRIP ANTENNA | Expired / Lapsed | 1973-10-10 | — | 0 | Details |
| DE2330161A1 | IMPROVED CIRCUITS AND METHOD OF MANUFACTURING THEREOF | Expired / Lapsed | 1973-06-08 | — | 0 | Details |
| DE2064839B2 | Method for delivering tax information to a vehicle | Expired / Lapsed | 1970-12-28 | — | 0 | Details |
| GB987933A | Pressure-sensitive adhesive tapes | Expired / Lapsed | 1961-04-18 | — | 0 | Details |
| GB870022A | Improvements in adhesive tapes | Expired / Lapsed | 1959-06-23 | — | 0 | Details |
| US5883208A | Initiator system and adhesive composition made therewith | Expired / Lapsed | 1996-11-08 | 1999-03-16 | 49 | Details |
| EP0526038B1 | Article removal control system | Expired / Lapsed | 1992-07-15 | 1998-10-07 | 12 | Details |
| US5814682A | Method of luting a provisional prosthetic device using a gl… | Expired / Lapsed | 1996-06-14 | 1998-09-29 | 14 | Details |
| USD398001S | Portion of a computer screen with a computer icon image | Expired / Lapsed | 1996-02-14 | 1998-09-08 | 1 | Details |
| US5728446A | Liquid management film for absorbent articles | Expired / Lapsed | 1995-10-23 | 1998-03-17 | 29 | Details |
| USD391948S | Portion of a computer screen with a computer icon image | Expired / Lapsed | 1996-02-14 | 1998-03-10 | 1 | Details |
| US5687767A | Uni-directional fluid valve | Expired / Lapsed | 1996-07-26 | 1997-11-18 | 13 | Details |
| US5658084A | Liquid applicator with frangible ampoule and support | Expired / Lapsed | 1995-05-22 | 1997-08-19 | 11 | Details |
| US5591786A | Semi-thermoplastic molding composition having heat-stable c… | Expired / Lapsed | 1995-05-19 | 1997-01-07 | 11 | Details |
| USH1616H | Web inspection system having enhanced video signal preproce… | Expired / Lapsed | 1994-05-31 | 1996-12-03 | 23 | Details |
| USD370906S | Window, label and rear area of a top surface for a videocas… | Expired / Lapsed | 1994-04-05 | 1996-06-18 | 1 | Details |
| US5470757A | Spectroscopic sample holder and method for using same | Expired / Lapsed | 1994-06-28 | 1995-11-28 | 20 | Details |
| US5468231A | Refastenable tube and cable restraint for surgical use | Expired / Lapsed | 1994-05-18 | 1995-11-21 | 27 | Details |
| US5434927A | Method and apparatus for machine vision classification and … | Expired / Lapsed | 1993-12-08 | 1995-07-18 | 31 | Details |
| US5393787A | Block copolymer having mixed molecular weight endblocks | Expired / Lapsed | 1994-01-12 | 1995-02-28 | 26 | Details |
| US5393486A | Method for making orthodontic appliance having textured bon… | Expired / Lapsed | 1993-12-09 | 1995-02-28 | 18 | Details |
| US5370273A | Multi-component applicator assembly | Expired / Lapsed | 1991-10-16 | 1994-12-06 | 42 | Details |
| US5369155A | Composite of a dispersed gel in an adhesive matrix and meth… | Expired / Lapsed | 1993-07-01 | 1994-11-29 | 10 | Details |
| US5354597A | Elastomeric tapes with microtextured skin layers | Expired / Lapsed | 1992-12-04 | 1994-10-11 | 23 | Details |
| US5353486A | Narrow fiberglass knit tape | Expired / Lapsed | 1992-11-13 | 1994-10-11 | 11 | Details |
| US5317805A | Method of making microchanneled heat exchangers utilizing s… | Expired / Lapsed | 1993-02-17 | 1994-06-07 | 33 | Details |
| US5296277A | Positionable and repositionable adhesive articles | Expired / Lapsed | 1992-10-09 | 1994-03-22 | 49 | Details |
| US5289454A | Optical disc addressing devices a method of use thereof | Expired / Lapsed | 1991-12-19 | 1994-02-22 | 12 | Details |
| US5286837A | Process for increasing stability of poly(esteramides) | Expired / Lapsed | 1992-12-08 | 1994-02-15 | 41 | Details |
| US5276079A | Pressure-sensitive poly(n-vinyl lactam) adhesive compositio… | Expired / Lapsed | 1991-11-15 | 1994-01-04 | 11 | Details |
| US5249358A | Jet impingment plate and method of making | Expired / Lapsed | 1992-04-28 | 1993-10-05 | 26 | Details |
| US5231983A | Method of and apparatus for the aerosol administration of m… | Expired / Lapsed | 1991-10-07 | 1993-08-03 | 14 | Details |
| US5225473A | Pressure-sensitive adhesives | Expired / Lapsed | 1992-04-09 | 1993-07-06 | 10 | Details |
| US4896943B1 | US4896943B1 - - Google Patents | Expired / Lapsed | 1987-05-13 | 1993-04-20 | 0 | Details |
| US5175030A | Microstructure-bearing composite plastic articles and metho… | Expired / Lapsed | 1989-12-08 | 1992-12-29 | 11 | Details |
| US5158557A | Refastenable adhesive tape closure | Expired / Lapsed | 1990-12-03 | 1992-10-27 | 33 | Details |
| US5156885A | Method for encapsulating electroluminescent phosphor partic… | Expired / Lapsed | 1990-04-25 | 1992-10-20 | 15 | Details |
| US5147698A | Pressure sensitive adhesive film article having high moistu… | Expired / Lapsed | 1991-01-22 | 1992-09-15 | 23 | Details |
| US5143785A | Cyanate ester adhesives for electronic applications | Expired / Lapsed | 1990-08-20 | 1992-09-01 | 41 | Details |
| US5141747A | Denatured collagen membrane | Expired / Lapsed | 1989-05-23 | 1992-08-25 | 43 | Details |
| US5139592A | Low gravity enhanced growth of phthalocyanine polymorphs an… | Expired / Lapsed | 1990-08-20 | 1992-08-18 | 11 | Details |
| US5138488A | Retroreflective material with improved angularity | Expired / Lapsed | 1990-09-10 | 1992-08-11 | 10 | Details |
| US5122902A | Retroreflective articles having light-transmissive surfaces | Expired / Lapsed | 1989-03-31 | 1992-06-16 | 18 | Details |
| US5120137A | Time and temperature indicating device | Expired / Lapsed | 1991-03-29 | 1992-06-09 | 21 | Details |
| US5108433A | Tensioning means for prosthetic devices | Expired / Lapsed | 1991-02-22 | 1992-04-28 | 11 | Details |
| US5106533A | Pigment dispersions | Expired / Lapsed | 1991-03-14 | 1992-04-21 | 23 | Details |
| US5101463A | Push-pull optical fiber connector | Expired / Lapsed | 1991-05-03 | 1992-03-31 | 23 | Details |
| US5089606A | Water-insoluble polysaccharide hydrogel foam for medical ap… | Expired / Lapsed | 1990-08-13 | 1992-02-18 | 33 | Details |
| US5077870A | Mushroom-type hook strip for a mechanical fastener | Expired / Lapsed | 1990-09-21 | 1992-01-07 | 13 | Details |
| US5070606A | Method for producing a sheet member containing at least one… | Expired / Lapsed | 1989-10-04 | 1991-12-10 | 27 | Details |
| US5069964A | Flexible, substrate-insular retroreflective sheeting | Expired / Lapsed | 1991-02-22 | 1991-12-03 | 34 | Details |
| US5066098A | Cellular encapsulated-lens high whiteness retroreflective s… | Expired / Lapsed | 1991-02-19 | 1991-11-19 | 31 | Details |
| US5062423A | Equine aerosol drug delivery method and apparatus | Expired / Lapsed | 1990-02-27 | 1991-11-05 | 25 | Details |
| US5030669A | Pigment dispersions | Expired / Lapsed | 1990-05-15 | 1991-07-09 | 20 | Details |
| US5022018A | System for applying a perpendicular magnetic field to the i… | Expired / Lapsed | 1989-02-16 | 1991-06-04 | 11 | Details |
| US5018044A | Dual conductor wristband | Expired / Lapsed | 1989-08-23 | 1991-05-21 | 24 | Details |
| US5014407A | Tube expanding device | Expired / Lapsed | 1989-09-28 | 1991-05-14 | 12 | Details |
| US5013315A | Semiabsorbable bone plate spacer | Expired / Lapsed | 1985-07-12 | 1991-05-07 | 22 | Details |
| US5002574A | Tensioning means for prosthetic devices | Expired / Lapsed | 1989-08-18 | 1991-03-26 | 24 | Details |
| US4984865A | Thermoplastic adhesive mounting apparatus and method for an… | Expired / Lapsed | 1989-11-17 | 1991-01-15 | 21 | Details |
| US4977901A | Article having non-crosslinked crystallized polymer coatings | Expired / Lapsed | 1990-04-06 | 1990-12-18 | 14 | Details |
| US4964945A | Lift off patterning process on a flexible substrate | Expired / Lapsed | 1988-12-09 | 1990-10-23 | 21 | Details |
| US4950549A | Polypropylene articles and method for preparing same | Expired / Lapsed | 1989-03-20 | 1990-08-21 | 11 | Details |
| US4938563A | High efficiency cube corner retroflective material | Expired / Lapsed | 1988-05-20 | 1990-07-03 | 28 | Details |
| US4936662A | Optical fiber connector | Expired / Lapsed | 1989-02-10 | 1990-06-26 | 15 | Details |
| US4920958A | Drill guide assembly | Expired / Lapsed | 1988-06-27 | 1990-05-01 | 15 | Details |
| US4904360A | Water-compatible coating composition | Expired / Lapsed | 1988-01-29 | 1990-02-27 | 5 | Details |
| US4901738A | Laser shield | Expired / Lapsed | 1988-12-13 | 1990-02-20 | 31 | Details |
| US4896943A | Encapsulated-lens retroreflective sheeting having improved … | Expired / Lapsed | 1987-05-13 | 1990-01-30 | 26 | Details |
| US4895428A | High efficiency retroreflective material | Expired / Lapsed | 1988-07-26 | 1990-01-23 | 27 | Details |
| US4883864A | Modified collagen compound and method of preparation | Expired / Lapsed | 1988-10-28 | 1989-11-28 | 25 | Details |
| US4883618A | Absorbable nerve repair device and method | Expired / Lapsed | 1987-02-17 | 1989-11-28 | 19 | Details |
| US4881061A | Article removal control system | Expired / Lapsed | 1988-12-05 | 1989-11-14 | 15 | Details |
| US4876136A | Lipstick sampling device | Expired / Lapsed | 1987-06-22 | 1989-10-24 | 20 | Details |
| US4874122A | Bent back box staple and staple closing mechanism with spli… | Expired / Lapsed | 1988-08-25 | 1989-10-17 | 11 | Details |
| US4871623A | Sheet-member containing a plurality of elongated enclosed e… | Expired / Lapsed | 1988-02-19 | 1989-10-03 | 16 | Details |
| US4871790A | Colloidal metals in monomers or polymers | Expired / Lapsed | 1987-11-25 | 1989-10-03 | 22 | Details |
| US4865779A | Lens molding apparatus and method | Expired / Lapsed | 1987-12-15 | 1989-09-12 | 13 | Details |
| US4857891A | Random-filament, multi-directionally responsive marker for … | Expired / Lapsed | 1988-04-29 | 1989-08-15 | 5 | Details |
| US4855170A | Pressure-sensitive tape construction incorporating resilien… | Expired / Lapsed | 1987-08-13 | 1989-08-08 | 25 | Details |
| US4854875A | Extra-oral dental restoration | Expired / Lapsed | 1986-11-18 | 1989-08-08 | 19 | Details |
| US4851513A | Viscoelastic collagen solution for opthalmic use and method… | Expired / Lapsed | 1987-10-05 | 1989-07-25 | 13 | Details |
| US4834752A | Tissue augmentation device and method of repairing a ligame… | Expired / Lapsed | 1988-02-05 | 1989-05-30 | 15 | Details |
| US4828698A | Filtering apparatus | Expired / Lapsed | 1988-06-30 | 1989-05-09 | 19 | Details |
| US4803986A | Ergonometric transcutaneous electrical nerve stimulator | Expired / Lapsed | 1987-04-24 | 1989-02-14 | 11 | Details |
| US4803130A | Reactive sputtering process for recording media | Expired / Lapsed | 1987-08-20 | 1989-02-07 | 6 | Details |
| US4802478A | Medical staple and removal method | Expired / Lapsed | 1984-08-31 | 1989-02-07 | 7 | Details |
| US4780367A | Tackified star block copolymer pressure-sensitive adhesive … | Expired / Lapsed | 1985-01-10 | 1988-10-25 | 20 | Details |
| US4775219A | Cube-corner retroreflective articles having tailored diverg… | Expired / Lapsed | 1986-11-21 | 1988-10-04 | 83 | Details |
| US4767289A | Peristaltic pump header | Expired / Lapsed | 1986-12-31 | 1988-08-30 | 10 | Details |
| US4759765A | Tissue augmentation device | Expired / Lapsed | 1986-03-17 | 1988-07-26 | 17 | Details |
| US4745401A | RF reactivatable marker for electronic article surveillance… | Expired / Lapsed | 1985-09-09 | 1988-05-17 | 20 | Details |
| US4732808A | Macromer reinforced pressure sensitive skin adhesive sheet … | Expired / Lapsed | 1986-04-15 | 1988-03-22 | 20 | Details |
| US4728323A | Antimicrobial wound dressings | Expired / Lapsed | 1986-07-24 | 1988-03-01 | 32 | Details |
| US4725495A | Lipstick sampling device | Expired / Lapsed | 1986-10-30 | 1988-02-16 | 22 | Details |
| US4725494A | Retroreflective sheeting | Expired / Lapsed | 1985-05-08 | 1988-02-16 | 22 | Details |
| US4719917A | Surgical staple | Expired / Lapsed | 1987-02-17 | 1988-01-19 | 18 | Details |
| US4713446A | Viscoelastic collagen solution for ophthalmic use and metho… | Expired / Lapsed | 1986-08-06 | 1987-12-15 | 35 | Details |
| US4701160A | Catheter and method for infusing fluid into a patient | Expired / Lapsed | 1986-06-11 | 1987-10-20 | 12 | Details |
| US4693939A | Article coated with copolymer of poly(vinyl alcohol) | Expired / Lapsed | 1986-09-03 | 1987-09-15 | 15 | Details |
| US4690145A | Output limited electrical stimulator for biological tissue | Expired / Lapsed | 1985-06-17 | 1987-09-01 | 4 | Details |
| US4674634A | Package of reclosable plastic bags | Expired / Lapsed | 1985-06-21 | 1987-06-23 | 11 | Details |
| US4669474A | Absorbable nerve repair device and method | Expired / Lapsed | 1985-04-02 | 1987-06-02 | 12 | Details |
| US4668558A | Shaped plastic articles having replicated microstructure su… | Expired / Lapsed | 1986-01-06 | 1987-05-26 | 41 | Details |
| US4664966A | Enclosed-lens retroreflective sheeting having tough, weathe… | Expired / Lapsed | 1985-11-18 | 1987-05-12 | 20 | Details |
| US4640289A | Biomedical electrode | Expired / Lapsed | 1983-11-14 | 1987-02-03 | 8 | Details |
| US4629663A | Removable pressure-sensitive adhesive tape | Expired / Lapsed | 1984-10-29 | 1986-12-16 | 7 | Details |
| US4613544A | Waterproof, moisture-vapor permeable sheet material and met… | Expired / Lapsed | 1984-12-04 | 1986-09-23 | 18 | Details |
| US4601661A | Dental mandrel and detachable abrasive disk | Expired / Lapsed | 1980-07-21 | 1986-07-22 | 22 | Details |
| US4598004A | Thin film surgical dressing with delivery system | Expired / Lapsed | 1985-01-24 | 1986-07-01 | 14 | Details |
| US4588258A | Cube-corner retroreflective articles having wide angularity… | Expired / Lapsed | 1984-07-30 | 1986-05-13 | 10 | Details |
| US4582885A | Shaped plastic articles having replicated microstructure su… | Expired / Lapsed | 1979-12-18 | 1986-04-15 | 5 | Details |
| US4581524A | Flexible ferromagnetic marker for the detection of objects … | Expired / Lapsed | 1983-04-26 | 1986-04-08 | 26 | Details |
| US4568598A | Article with reduced friction polymer sheet support | Expired / Lapsed | 1984-10-30 | 1986-02-04 | 21 | Details |
| US4565663A | Method for making water-swellable composite sheet | Expired / Lapsed | 1984-04-25 | 1986-01-21 | 18 | Details |
| US4553941A | Acetal and hemiacetal dentin and enamel adhesive primers | Expired / Lapsed | 1984-10-19 | 1985-11-19 | 10 | Details |
| US4547444A | Recording element for optical data storage | Expired / Lapsed | 1983-12-23 | 1985-10-15 | 27 | Details |
| US4544467A | Light-curable dentin and enamel adhesive | Expired / Lapsed | 1983-06-28 | 1985-10-01 | 18 | Details |
| US4540722A | Dentin and enamel adhesive | Expired / Lapsed | 1982-01-15 | 1985-09-10 | 31 | Details |
| US4538920A | Static mixing device | Expired / Lapsed | 1983-03-03 | 1985-09-03 | 10 | Details |
| US4534349A | Absorbable sutureless nerve repair device | Expired / Lapsed | 1984-01-12 | 1985-08-13 | 12 | Details |
| US4533204A | Resilient circuit board contact | Expired / Lapsed | 1982-08-23 | 1985-08-06 | 4 | Details |
| US4529658A | Fluorochemical copolymers and ovenable paperboard and texti… | Expired / Lapsed | 1982-10-13 | 1985-07-16 | 4 | Details |
| US4526174A | Staple and cartridge for use in a tissue stapling device an… | Expired / Lapsed | 1983-11-07 | 1985-07-02 | 9 | Details |
| US4524181A | Curable epoxy compositions and cured resins obtained theref… | Expired / Lapsed | 1983-08-11 | 1985-06-18 | 18 | Details |
| US4524087A | Conductive adhesive and biomedical electrode | Expired / Lapsed | 1983-07-18 | 1985-06-18 | 21 | Details |
| US4519532A | Stapler including ratchet means for preventing double feedi… | Expired / Lapsed | 1983-02-28 | 1985-05-28 | 9 | Details |
| US4499896A | Reservoir wound dressing | Expired / Lapsed | 1982-03-30 | 1985-02-19 | 17 | Details |
| US4499444A | Desensitizer for ferromagnetic markers used with electromag… | Expired / Lapsed | 1983-05-20 | 1985-02-12 | 10 | Details |
| US4490005A | Electrical connector | Expired / Lapsed | 1982-06-21 | 1984-12-25 | 2 | Details |
| US4485029A | Disinfecting method and compositions | Expired / Lapsed | 1984-03-19 | 1984-11-27 | 24 | Details |
| US4478362A | Stapler cartridge with angularly disposed staple guide trac… | Expired / Lapsed | 1980-05-07 | 1984-10-23 | 21 | Details |
| US4477008A | Stapler | Expired / Lapsed | 1983-11-18 | 1984-10-16 | 14 | Details |
| US4477007A | Stapler with intermediate latching mechanism | Expired / Lapsed | 1983-10-11 | 1984-10-16 | 3 | Details |
| US4470532A | Medical stapling device | Expired / Lapsed | 1982-07-21 | 1984-09-11 | 8 | Details |
| US4451260A | Sustained release oral medicinal delivery device | Expired / Lapsed | 1982-03-26 | 1984-05-29 | 22 | Details |
| US4449115A | Apparatus for detecting ferromagnetic material | Expired / Lapsed | 1983-08-02 | 1984-05-15 | 46 | Details |
| US4447872A | Alarm data concentration and gathering system | Expired / Lapsed | 1980-10-20 | 1984-05-08 | 7 | Details |
| US4433024A | Reduced-stress vapor-sorptive garments | Expired / Lapsed | 1982-07-23 | 1984-02-21 | 42 | Details |
| US4430995A | Power assisted air-purifying respirators | Expired / Lapsed | 1982-05-24 | 1984-02-14 | 12 | Details |
| US4430659A | Protuberant optical recording medium | Expired / Lapsed | 1981-02-13 | 1984-02-07 | 22 | Details |
| US4428321A | Thermally-activated time-temperature indicator | Expired / Lapsed | 1981-11-16 | 1984-01-31 | 10 | Details |
| USD270739S | Dual notepaper pad and pen holder | Expired / Lapsed | 1981-08-03 | 1983-09-27 | 1 | Details |
| US4404345A | Novel adhesive compositions | Expired / Lapsed | 1981-09-16 | 1983-09-13 | 24 | Details |
| US4401271A | Aerosal fan spray head | Expired / Lapsed | 1981-07-10 | 1983-08-30 | 23 | Details |
| US4398277A | Conductive elastomeric fabric and body strap | Expired / Lapsed | 1981-07-27 | 1983-08-09 | 17 | Details |
| US4377988A | Reflective animal collar and material for forming such a co… | Expired / Lapsed | 1981-09-24 | 1983-03-29 | 15 | Details |
| US4377159A | Pressure bandages and methods for making the same | Expired / Lapsed | 1981-06-29 | 1983-03-22 | 17 | Details |
| US4367745A | Conformable electrically conductive compositions | Expired / Lapsed | 1980-05-27 | 1983-01-11 | 14 | Details |
| US4360013A | Polymeric acid contraceptive devices | Expired / Lapsed | 1980-04-21 | 1982-11-23 | 19 | Details |
| US4358328A | Tape-cutting blade attaching method | Expired / Lapsed | 1981-01-16 | 1982-11-09 | 3 | Details |
| US4352359A | Biomedical electrode | Expired / Lapsed | 1980-06-02 | 1982-10-05 | 14 | Details |
| US4350532A | Glass composition and articles | Expired / Lapsed | 1981-07-30 | 1982-09-21 | 5 | Details |
| US4343931A | Synthetic absorbable surgical devices of poly(esteramides) | Expired / Lapsed | 1979-12-17 | 1982-08-10 | 15 | Details |
| US4331705A | Curing of polyamic acids or salts thereof by ultraviolet ex… | Expired / Lapsed | 1980-02-11 | 1982-05-25 | 10 | Details |
| US4328441A | Output circuit for piezoelectric polymer pressure sensor | Expired / Lapsed | 1980-01-31 | 1982-05-04 | 20 | Details |
| US4326532A | Antithrombogenic articles | Expired / Lapsed | 1980-10-06 | 1982-04-27 | 21 | Details |
| US4321404A | Compositions for providing abherent coatings | Expired / Lapsed | 1980-05-20 | 1982-03-23 | 4 | Details |
| US4318694A | Tooth-to-tooth retainer wire installation apparatus | Expired / Lapsed | 1980-11-20 | 1982-03-09 | 16 | Details |
| US4310509A | Pressure-sensitive adhesive having a broad spectrum antimic… | Expired / Lapsed | 1979-07-31 | 1982-01-12 | 14 | Details |
| US4299880A | Demand and timed renewing imaging media | Expired / Lapsed | 1979-11-15 | 1981-11-10 | 7 | Details |
| US4290174A | Separable fastener and article for making same | Expired / Lapsed | 1978-01-13 | 1981-09-22 | 14 | Details |
| US4288221A | Durable, polishable direct filling material | Expired / Lapsed | 1980-01-28 | 1981-09-08 | 17 | Details |
| US4280495A | Air emboli detection | Expired / Lapsed | 1978-11-24 | 1981-07-28 | 6 | Details |
| US4273135A | Biomedical electrode | Expired / Lapsed | 1978-09-08 | 1981-06-16 | 14 | Details |
| US4264484A | Carpet treatment | Expired / Lapsed | 1979-12-21 | 1981-04-28 | 15 | Details |
| US4257422A | Surgical drain | Expired / Lapsed | 1979-03-14 | 1981-03-24 | 5 | Details |
| US4247656A | Poly(urethane-isocyanurate) foams | Expired / Lapsed | 1979-03-14 | 1981-01-27 | 11 | Details |
| US4243531A | Cardiotomy reservoir | Expired / Lapsed | 1978-05-30 | 1981-01-06 | 9 | Details |
| US4242565A | Thermal print head | Expired / Lapsed | 1979-06-05 | 1980-12-30 | 12 | Details |
| US4236893A | Method for the assay of classes of antigen-specific antibod… | Expired / Lapsed | 1979-04-09 | 1980-12-02 | 21 | Details |
| US4208193A | Cardiotomy reservoir having two-stage defoaming means | Expired / Lapsed | 1978-11-09 | 1980-06-17 | 12 | Details |
| US4202480A | Stapler including means for preventing double feeding of st… | Expired / Lapsed | 1979-02-26 | 1980-05-13 | 11 | Details |
| US4185762A | Medical stapling device | Expired / Lapsed | 1978-03-27 | 1980-01-29 | 6 | Details |
| US4181752A | Acrylic-type pressure sensitive adhesives by means of ultra… | Expired / Lapsed | 1978-09-25 | 1980-01-01 | 20 | Details |
| US4169804A | Magnetically responsive composite microparticle | Expired / Lapsed | 1977-06-20 | 1979-10-02 | 19 | Details |
| US4166152A | Tacky polymeric microspheres | Expired / Lapsed | 1977-08-17 | 1979-08-28 | 13 | Details |
| US4157418A | Acrylic functional aminocarboxylic acids and derivatives as… | Expired / Lapsed | 1978-02-08 | 1979-06-05 | 9 | Details |
| US4153178A | Double-acting latch for hinged plastic box | Expired / Lapsed | 1978-04-14 | 1979-05-08 | 10 | Details |
| US4153059A | Urinary incontinence stimulator system | Expired / Lapsed | 1977-10-25 | 1979-05-08 | 14 | Details |
| US4147767A | Albumin medicament carrier system | Expired / Lapsed | 1977-09-30 | 1979-04-03 | 22 | Details |
| US4143658A | Intratracheal injection system for animals | Expired / Lapsed | 1977-02-24 | 1979-03-13 | 2 | Details |
| US4141736A | Photosensitive composite sheet material containing poly-2,5… | Expired / Lapsed | 1977-12-05 | 1979-02-27 | 10 | Details |
| US4129129A | Venous return catheter and a method of using the same | Expired / Lapsed | 1977-03-18 | 1978-12-12 | 11 | Details |
| US4126428A | Coated abrasive containing isocyanurate binder and method o… | Expired / Lapsed | 1977-08-01 | 1978-11-21 | 14 | Details |
| US4126137A | Electrosurgical unit | Expired / Lapsed | 1977-01-21 | 1978-11-21 | 7 | Details |
| US4123267A | Photoconductive element having a barrier layer of aluminum … | Expired / Lapsed | 1977-06-27 | 1978-10-31 | 8 | Details |
| US4121579A | Ventilator and method | Expired / Lapsed | 1976-08-09 | 1978-10-24 | 2 | Details |
| US4120718A | Applicator for heat-activatable tape | Expired / Lapsed | 1977-02-18 | 1978-10-17 | 2 | Details |
| US4118531A | Web of blended microfibers and crimped bulking fibers | Expired / Lapsed | 1977-11-04 | 1978-10-03 | 13 | Details |
| US4087791A | Electromagnetically responsive device and system for detect… | Expired / Lapsed | 1974-09-09 | 1978-05-02 | 8 | Details |
| US4086388A | Rubbery cushion having pressure-sensitive adhesive layer | Expired / Lapsed | 1977-02-16 | 1978-04-25 | 11 | Details |
| US4082429A | Apparatus for copying graphic images including the processi… | Expired / Lapsed | 1976-06-25 | 1978-04-04 | 7 | Details |
| US4082431A | Image processing system using incoherent radiation and spat… | Expired / Lapsed | 1976-04-01 | 1978-04-04 | 28 | Details |
| US4080953A | Electrochemical heating device | Expired / Lapsed | 1976-12-08 | 1978-03-28 | 17 | Details |
| US4073999A | Porous ceramic or metallic coatings and articles | Expired / Lapsed | 1975-05-09 | 1978-02-14 | 25 | Details |
| US4066600A | Friction-activatable adhesive and articles thereof | Expired / Lapsed | 1975-11-17 | 1978-01-03 | 20 | Details |
| US4065753A | Electromagnetically responsive projectile and system for de… | Expired / Lapsed | 1974-09-09 | 1977-12-27 | 14 | Details |
| US4063068A | Food heating and cooking receptacle | Expired / Lapsed | 1976-08-12 | 1977-12-13 | 2 | Details |
| US4061470A | Blood oxygenator utilizing a removable membrane oxygenator … | Expired / Lapsed | 1976-10-27 | 1977-12-06 | 8 | Details |
| US4061707A | Process and apparatus for heat setting biaxially oriented t… | Expired / Lapsed | 1975-10-06 | 1977-12-06 | 9 | Details |
| US4058362A | Protection of metals or metal containing articles | Expired / Lapsed | 1974-12-12 | 1977-11-15 | 15 | Details |
| US4049861A | Abrasion resistant coatings | Expired / Lapsed | 1976-02-19 | 1977-09-20 | 34 | Details |
| US4048526A | Kinetic sensor employing polymeric piezoelectric material | Expired / Lapsed | 1976-07-19 | 1977-09-13 | 7 | Details |
| US4042749A | Article having abrasion resistant surface formed from the r… | Expired / Lapsed | 1976-10-04 | 1977-08-16 | 20 | Details |
| US4042740A | Reinforced pillowed microfiber webs | Expired / Lapsed | 1974-09-20 | 1977-08-16 | 18 | Details |
| US4026669A | Variable capacity reservoir assembly | Expired / Lapsed | 1975-07-14 | 1977-05-31 | 4 | Details |
| US4025159A | Cellular retroreflective sheeting | Expired / Lapsed | 1976-02-17 | 1977-05-24 | 17 | Details |
| US4011067A | Filter medium layered between supporting layers | Expired / Lapsed | 1975-09-11 | 1977-03-08 | 24 | Details |
| US4004565A | Clip for supplying implant projectiles | Expired / Lapsed | 1975-04-14 | 1977-01-25 | 19 | Details |
| US4004566A | Clip and indexing mechanism for a gas-operated gun | Expired / Lapsed | 1975-04-14 | 1977-01-25 | 13 | Details |
| USRE29066E | Biodegradable radioactive particles | Expired / Lapsed | 1974-03-15 | 1976-12-07 | 14 | Details |
| US3991425A | Prosthetic bone joint devices | Expired / Lapsed | 1975-11-20 | 1976-11-16 | 6 | Details |
| US3982536A | Ballistic inoculation of animals and projectile therefor | Expired / Lapsed | 1974-11-15 | 1976-09-28 | 15 | Details |
| US3978176A | Sparger | Expired / Lapsed | 1975-01-07 | 1976-08-31 | 8 | Details |
| US3971373A | Particle-loaded microfiber sheet product and respirators ma… | Expired / Lapsed | 1974-12-06 | 1976-07-27 | 27 | Details |
| US3964163A | Surgical saw blade fastening means | Expired / Lapsed | 1975-09-04 | 1976-06-22 | 6 | Details |
| US3958064A | Magnetic recording tape | Expired / Lapsed | 1972-01-17 | 1976-05-18 | 9 | Details |
| US3954011A | Selected time interval indicating device | Expired / Lapsed | 1973-10-10 | 1976-05-04 | 18 | Details |
| US3952748A | Electrosurgical system providing a fulguration current | Expired / Lapsed | 1974-07-18 | 1976-04-27 | 6 | Details |
| US3948263A | Ballistic animal implant | Expired / Lapsed | 1974-08-14 | 1976-04-06 | 9 | Details |
| US3948819A | Cleaning composition | Expired / Lapsed | 1973-06-18 | 1976-04-06 | 6 | Details |
| US3944738A | Method to increase the visibility of game objects during te… | Expired / Lapsed | 1973-12-11 | 1976-03-16 | 8 | Details |
| US3930708A | Flat cable wire-connector | Expired / Lapsed | 1974-09-09 | 1976-01-06 | 4 | Details |
| US3927980A | Oxygen overpressure protection system for membrane-type blo… | Expired / Lapsed | 1973-08-22 | 1975-12-23 | 5 | Details |
| US3924929A | Retro-reflective sheet material | Expired / Lapsed | 1972-03-06 | 1975-12-09 | 8 | Details |
| US3922440A | Safety glass light control medium | Expired / Lapsed | 1974-08-16 | 1975-11-25 | 6 | Details |
| US3922464A | Removable pressure-sensitive adhesive sheet material | Expired / Lapsed | 1973-02-06 | 1975-11-25 | 11 | Details |
| US3920436A | Artificial protective environment for plants | Expired / Lapsed | 1972-08-07 | 1975-11-18 | 15 | Details |
| US3908645A | Ophthalmic pressure bandage | Expired / Lapsed | 1974-05-28 | 1975-09-30 | 20 | Details |
| US3907109A | Container for reeled film or magnetic tape | Expired / Lapsed | 1974-04-17 | 1975-09-23 | 8 | Details |
| US3907706A | Latent catalyst systems for cationically polymerizable mate… | Expired / Lapsed | 1973-07-06 | 1975-09-23 | 15 | Details |
| US3905923A | Poly (urea-urethane) foams containing immobilized active en… | Expired / Lapsed | 1974-04-04 | 1975-09-16 | 8 | Details |
| US3902498A | Surgical cutting instrument | Expired / Lapsed | 1974-03-04 | 1975-09-02 | 15 | Details |
| US3892534A | Rigidly mounted bubble-type blood oxygenator having flexibl… | Expired / Lapsed | 1974-01-02 | 1975-07-01 | 11 | Details |
| US3892908A | Coating of solid substrates with magnetically propelled par… | Expired / Lapsed | 1973-06-25 | 1975-07-01 | 9 | Details |
| US3890969A | Cardiopulmonary bypass system | Expired / Lapsed | 1974-01-21 | 1975-06-24 | 10 | Details |
| US3888117A | Pressure sensor and instrument utilizing same | Expired / Lapsed | 1973-07-16 | 1975-06-10 | 26 | Details |
| US3882193A | Fluorine-containing block copolymers | Expired / Lapsed | 1973-09-17 | 1975-05-06 | 19 | Details |
| US3878367A | Magnetic security document and method for making same | Expired / Lapsed | 1973-05-02 | 1975-04-15 | 15 | Details |
| US3873975A | System and method for authenticating and interrogating a ma… | Expired / Lapsed | 1973-05-02 | 1975-03-25 | 20 | Details |
| US3860556A | Low water absorption dental restorative | Expired / Lapsed | 1971-11-01 | 1975-01-14 | 6 | Details |
| US3851646A | Connector for open heart surgery | Expired / Lapsed | 1973-04-13 | 1974-12-03 | 2 | Details |
| US3847722A | Impregnated materials for leak prevention | Expired / Lapsed | 1972-01-27 | 1974-11-12 | 5 | Details |
| US3845757A | Biomedical monitoring electrode | Expired / Lapsed | 1972-07-12 | 1974-11-05 | 6 | Details |
| US3842019A | Use of sulfonic acid salts in cationic polymerization | Expired / Lapsed | 1973-03-01 | 1974-10-15 | 2 | Details |
| US3831077A | Regulated, controlled-rectifier power supply | Expired / Lapsed | 1973-01-02 | 1974-08-20 | 12 | Details |
| US3818074A | Fluorinated esters | Expired / Lapsed | 1973-04-20 | 1974-06-18 | 5 | Details |
| US3816640A | Multitube cable splice assembly and method of making same | Expired / Lapsed | 1973-07-12 | 1974-06-11 | 17 | Details |
| US3796678A | Highly branched,capped polyurethanes for pressure sensitive… | Expired / Lapsed | 1970-08-17 | 1974-03-12 | 0 | Details |
| US3793033A | Development-free printing plate | Expired / Lapsed | 1972-09-05 | 1974-02-19 | 12 | Details |
| US3793041A | Refractory fibers of zirconia and silica mixtures | Expired / Lapsed | 1971-08-02 | 1974-02-19 | 20 | Details |
| US3789462A | Abrasive-filled dental prophylactic cup | Expired / Lapsed | 1973-03-26 | 1974-02-05 | 2 | Details |
| US3781231A | Physically reinforced hydrophilic foam and method of prepar… | Expired / Lapsed | 1971-09-17 | 1973-12-25 | 0 | Details |
| US3779929A | Cleaning composition | Expired / Lapsed | 1972-02-23 | 1973-12-18 | 13 | Details |
| CA936764A | Pressure-sensitive adhesive tape with microcellular adhesiv… | Expired / Lapsed | 1971-01-14 | 1973-11-13 | 0 | Details |
| US3770537A | Method for preparing a microporous sheet by heat-forming, a… | Expired / Lapsed | 1971-04-19 | 1973-11-06 | 9 | Details |
| US3770708A | Pressure sensitive adhesive copolymer formed from vinyl mon… | Expired / Lapsed | 1970-12-02 | 1973-11-06 | 0 | Details |
| US3769071A | Pressure sensitive adhesive tape comprising 5-fluorouracil | Expired / Lapsed | 1971-06-04 | 1973-10-30 | 0 | Details |
| US3765975A | Windshield repair | Expired / Lapsed | 1971-12-17 | 1973-10-16 | 2 | Details |
| US3758678A | Biodegradable radioactive polysaccharide particles | Expired / Lapsed | 1968-09-26 | 1973-09-11 | 12 | Details |
| US3753500A | Integral in-line filter | Expired / Lapsed | 1970-03-20 | 1973-08-21 | 6 | Details |
| US3752161A | Fluid operated surgical tool | Expired / Lapsed | 1971-08-02 | 1973-08-14 | 39 | Details |
| US3750671A | Surgical cutting tool adapter apparatus | Expired / Lapsed | 1971-03-31 | 1973-08-07 | 12 | Details |
| US3746068A | Fasteners and sealants useful therefor | Expired / Lapsed | 1971-08-27 | 1973-07-17 | 2 | Details |
| US3737257A | Roller control for a peristaltic pump construction | Expired / Lapsed | 1971-12-02 | 1973-06-05 | 11 | Details |
| US3736899A | Pressure change indicator | Expired / Lapsed | 1971-10-28 | 1973-06-05 | 14 | Details |
| US3729377A | Envelope oxygenator for blood having inflatable portions an… | Expired / Lapsed | 1971-03-12 | 1973-04-24 | 0 | Details |
| US3722599A | Fluorocyanoacrylates | Expired / Lapsed | 1971-08-17 | 1973-03-27 | 10 | Details |
| US3720732A | Biaxially oriented polycarbonate modified polyester film | Expired / Lapsed | 1970-09-18 | 1973-03-13 | 0 | Details |
| US3714625A | Vehicle guidance track of transverse extent | Expired / Lapsed | 1971-03-30 | 1973-01-30 | 16 | Details |
| US3709222A | Method and apparatus for automatic peritoneal dialysis | Expired / Lapsed | 1970-12-28 | 1973-01-09 | 23 | Details |
| US3700361A | Peristaltic pump construction | Expired / Lapsed | 1971-07-08 | 1972-10-24 | 10 | Details |
| US3697996A | Electromagnetic field producing apparatus and method for se… | Expired / Lapsed | 1969-12-17 | 1972-10-10 | 23 | Details |
| US3694301A | Hydrophilic nonwoven web and method of making it | Expired / Lapsed | 1971-01-04 | 1972-09-26 | 0 | Details |
| US3673437A | Damped sinusoidal current pulse generator and method | Expired / Lapsed | 1970-06-29 | 1972-06-27 | 9 | Details |
| US3670699A | Electrostatically charged fluidized bed apparatus | Expired / Lapsed | 1970-06-24 | 1972-06-20 | 5 | Details |
| US3665449A | Method and apparatus for detecting at a distance the status… | Expired / Lapsed | 1969-07-11 | 1972-05-23 | 25 | Details |
| US3663917A | Disposable temperature-sensing device | Expired / Lapsed | 1970-01-07 | 1972-05-16 | 6 | Details |
| US3663687A | Biodegradable parenteral microspherules | Expired / Lapsed | 1968-06-26 | 1972-05-16 | 0 | Details |
| US3663686A | Biodegradable radioactive particles | Expired / Lapsed | 1968-04-24 | 1972-05-16 | 0 | Details |
| US3663685A | Biodegradable radioactive particles | Expired / Lapsed | 1968-04-01 | 1972-05-16 | 0 | Details |
| US3655818A | Particulate adhesive containing polyepoxides carboxylated b… | Expired / Lapsed | 1968-10-18 | 1972-04-11 | 0 | Details |
| US3647976A | Time-sharing subscriber communications system | Expired / Lapsed | 1970-03-09 | 1972-03-07 | 32 | Details |
| US3637871A | Polyfluorotricycloalkenes | Expired / Lapsed | 1970-02-04 | 1972-01-25 | 0 | Details |
| US3635848A | Isocyanurates, polyisocyanurates and polyurethanes and thei… | Expired / Lapsed | 1969-07-10 | 1972-01-18 | 24 | Details |
| US3632843A | Bis(perfluoroalkylsulfonyl)methanes in cationic polymerizat… | Expired / Lapsed | 1969-03-14 | 1972-01-04 | 0 | Details |
| US3633158A | Transceiver-transponder-type communications system | Expired / Lapsed | 1969-03-05 | 1972-01-04 | 23 | Details |
| US3612764A | Television security monitor | Expired / Lapsed | 1969-11-14 | 1971-10-12 | 16 | Details |
| US3612053A | Ostomy sealing washer | Expired / Lapsed | 1969-06-23 | 1971-10-12 | 14 | Details |
| US3609678A | Magnetized means for providing control information to movin… | Expired / Lapsed | 1969-04-28 | 1971-09-28 | 14 | Details |
| US3608627A | Device and method for cooking foodstuffs in a frozen enviro… | Expired / Lapsed | 1968-12-04 | 1971-09-28 | 15 | Details |
| US3607354A | Method of delustering polyethylene terephthalate film | Expired / Lapsed | 1969-11-14 | 1971-09-21 | 5 | Details |
| US3607332A | Modeling composition | Expired / Lapsed | 1968-03-20 | 1971-09-21 | 6 | Details |
| US3597389A | Moisture resistant dental restorative compositions | Expired / Lapsed | 1968-03-15 | 1971-08-03 | 0 | Details |
| US3595439A | Combination mixing capsule and dispenser | Expired / Lapsed | 1969-09-09 | 1971-07-27 | 7 | Details |
| US3595732A | Process and microporous product | Expired / Lapsed | 1967-06-28 | 1971-07-27 | 0 | Details |
| US3585566A | Modular secondary connector | Expired / Lapsed | 1969-09-23 | 1971-06-15 | 8 | Details |
| US3585255A | Electrically superior polyester film containing polystyrene… | Expired / Lapsed | 1968-09-23 | 1971-06-15 | 0 | Details |
| US3582457A | Heat shrinkable components with meltable insert liner | Expired / Lapsed | 1967-12-19 | 1971-06-01 | 0 | Details |
| US3579609A | Flex-resistant polyester film containing olefin or polytetr… | Expired / Lapsed | 1968-09-23 | 1971-05-18 | 0 | Details |
| US3575899A | Launderably removeable,soil and stain resistant fabric trea… | Expired / Lapsed | 1969-07-28 | 1971-04-20 | 0 | Details |
| US3575255A | Automobile guidance system | Expired / Lapsed | 1968-10-11 | 1971-04-20 | 38 | Details |
| US3574791A | Block and graft copolymers containing water-solvatable pola… | Expired / Lapsed | 1968-01-15 | 1971-04-13 | 0 | Details |
| US3566356A | Magnetic recording document and method | Expired / Lapsed | 1968-02-29 | 1971-02-23 | 0 | Details |
| US3559652A | Method of adhesively repairing body tissue with alkoxyalkyl… | Expired / Lapsed | 1968-08-05 | 1971-02-02 | 14 | Details |
| US3554836A | Transfer process | Expired / Lapsed | 1968-07-19 | 1971-01-12 | 0 | Details |
| US3550716A | Automobile speed-controlling mechanism | Expired / Lapsed | 1968-10-11 | 1970-12-29 | 0 | Details |
| US3545438A | Intermittent dialysis method and apparatus therefor | Expired / Lapsed | 1968-02-12 | 1970-12-08 | 0 | Details |
| US3542321A | Tie | Expired / Lapsed | 1968-05-29 | 1970-11-24 | 0 | Details |
| US3540126A | Fluoroalkoxyalkyl 2 - cyanoacrylate compositions used in to… | Expired / Lapsed | 1968-07-16 | 1970-11-17 | 0 | Details |
| US3541068A | Dental restorative compositions having enhanced stability | Expired / Lapsed | 1968-07-12 | 1970-11-17 | 0 | Details |
| US3537121A | Cleaning and buffing product | Expired / Lapsed | 1968-01-17 | 1970-11-03 | 0 | Details |
| US3516846A | Microcapsule-containing paper | Expired / Lapsed | 1969-11-18 | 1970-06-23 | 0 | Details |
| US3516852A | Adhesive strip | Expired / Lapsed | 1967-10-02 | 1970-06-23 | 0 | Details |
| US3508587A | Tubular structural member | Expired / Lapsed | 1966-09-29 | 1970-04-28 | 0 | Details |
| US3507575A | Display-print module | Expired / Lapsed | 1968-10-16 | 1970-04-21 | 0 | Details |
| US3499902A | Organic hydrazone compound containing azo coupler moiety | Expired / Lapsed | 1967-08-09 | 1970-03-10 | 0 | Details |
| US3497406A | Method of etching a polyester film | Expired / Lapsed | 1966-02-03 | 1970-02-24 | 0 | Details |
| US3486752A | Target toy device | Expired / Lapsed | 1967-08-28 | 1969-12-30 | 0 | Details |
| US3486899A | Imagewise photochromic responsive element and process | Expired / Lapsed | 1965-12-13 | 1969-12-30 | 0 | Details |
| US3484183A | Heat-resistant black fibers and fabrics derived from rayon | Expired / Lapsed | 1965-06-04 | 1969-12-16 | 0 | Details |
| US3479877A | Time-temperature indicator | Expired / Lapsed | 1968-08-28 | 1969-11-25 | 0 | Details |
| US3452437A | Dental restorative material | Expired / Lapsed | 1965-10-12 | 1969-07-01 | 0 | Details |
| US3444925A | Structural articles and method of making | Expired / Lapsed | 1963-12-17 | 1969-05-20 | 2 | Details |
| US3444445A | Plural motor torque control for tape transport mechanism | Expired / Lapsed | 1962-01-15 | 1969-05-13 | 2 | Details |
| US3438843A | Adhesive film containing heating elements | Expired / Lapsed | 1965-03-03 | 1969-04-15 | 0 | Details |
| US3436359A | Polyether polyprimary polyamines and elastomeric products t… | Expired / Lapsed | 1965-10-14 | 1969-04-01 | 0 | Details |
| US3434151A | Electrocardiographic recording system | Expired / Lapsed | 1967-10-20 | 1969-03-18 | 0 | Details |
| US3429706A | Radiation-sensitive system | Expired / Lapsed | 1965-12-29 | 1969-02-25 | 0 | Details |
| US3427628A | Thermoplastic recording | Expired / Lapsed | 1962-08-15 | 1969-02-11 | 2 | Details |
| US3423524A | Recording system | Expired / Lapsed | 1965-01-05 | 1969-01-21 | 0 | Details |
| US3419404A | Partially nitrided aluminum refractory material | Expired / Lapsed | 1964-06-26 | 1968-12-31 | 1 | Details |
| US3408705A | Fastener articles | Expired / Lapsed | 1966-07-07 | 1968-11-05 | 0 | Details |
| US3404254A | Method and apparatus for engraving a generally cross-sectio… | Expired / Lapsed | 1965-02-26 | 1968-10-01 | 0 | Details |
| US3393796A | Packaged article and method of packaging | Expired / Lapsed | 1965-12-08 | 1968-07-23 | 0 | Details |
| US3391275A | Apparatus for regulating a variable output in accordance wi… | Expired / Lapsed | 1963-10-11 | 1968-07-02 | 0 | Details |
| US3391255A | Transducing system | Expired / Lapsed | 1962-05-16 | 1968-07-02 | 2 | Details |
| US3381086A | Reproduction of television signals from photographic disc r… | Expired / Lapsed | 1962-08-16 | 1968-04-30 | 2 | Details |
| US3377286A | Developer powder containing black magnetic iron oxide | Expired / Lapsed | 1965-01-19 | 1968-04-09 | 2 | Details |
| US3368892A | Method of copying utilizing an infrared-absorptive image fo… | Expired / Lapsed | 1967-06-12 | 1968-02-13 | 0 | Details |
| US3365315A | Glass bubbles prepared by reheating solid glass partiles | Expired / Lapsed | 1963-08-23 | 1968-01-23 | 2 | Details |
| US3350511A | Speed indicator and control system | Expired / Lapsed | 1962-10-01 | 1967-10-31 | 2 | Details |
| US3340386A | Counter and readout means useful for measuring units of flu… | Expired / Lapsed | 1963-09-24 | 1967-09-05 | 2 | Details |
| US3334050A | Organic carbonaceous matrix with radioisotope dispersed the… | Expired / Lapsed | 1964-08-24 | 1967-08-01 | 4 | Details |
| US3330769A | Metal cleaning | Expired / Lapsed | 1964-01-23 | 1967-07-11 | 2 | Details |
| US3329817A | Radiation source | Expired / Lapsed | 1964-03-13 | 1967-07-04 | 2 | Details |
| US3326440A | High precision tape-transport mechanism | Expired / Lapsed | 1963-01-09 | 1967-06-20 | 1 | Details |
| US3312563A | Decorative adhesive sheet material with a chlorinated vinyl… | Expired / Lapsed | 1963-10-23 | 1967-04-04 | 1 | Details |
| US3305459A | Electrolytic electrocopying method and apparatus | Expired / Lapsed | 1963-08-27 | 1967-02-21 | 1 | Details |
| US3303341A | Method and construction for recording and retrieving inform… | Expired / Lapsed | 1964-05-25 | 1967-02-07 | 2 | Details |
| US3291323A | Tape cartridge changer mechanism | Expired / Lapsed | 1964-07-13 | 1966-12-13 | 2 | Details |
| CA747341A | Pressure-sensitive adhesive tape | Expired / Lapsed | — | 1966-11-29 | 0 | Details |
| US3287563A | Spatial coherent reproducing system | Expired / Lapsed | 1962-11-07 | 1966-11-22 | 2 | Details |
| US3285245A | Absorbent wound dressing | Expired / Lapsed | 1964-07-06 | 1966-11-15 | 1 | Details |
| US3271332A | Siloxane foam | Expired / Lapsed | 1964-12-07 | 1966-09-06 | 2 | Details |
| US3270933A | Air-cushioned tape guide | Expired / Lapsed | 1963-12-20 | 1966-09-06 | 2 | Details |
| US3271330A | High molecular weight phosphonitrile fluoroesters | Expired / Lapsed | 1963-11-15 | 1966-09-06 | 2 | Details |
| US3268788A | Phase difference speed control system | Expired / Lapsed | 1963-01-09 | 1966-08-23 | 1 | Details |
| US3266113A | Interreacting articles | Expired / Lapsed | 1964-12-14 | 1966-08-16 | 2 | Details |
| US3265769A | Biaxially oriented polypropylene film containing butyl rubb… | Expired / Lapsed | 1961-10-09 | 1966-08-09 | 1 | Details |
| US3255131A | Fluorochemical-containing varnishes | Expired / Lapsed | 1962-04-10 | 1966-06-07 | 2 | Details |
| US3248235A | Anti-tarnish composition for coppercontaining surfaces | Expired / Lapsed | 1961-09-28 | 1966-04-26 | 2 | Details |
| US3239971A | Disc sanding tool | Expired / Lapsed | 1963-08-30 | 1966-03-15 | 2 | Details |
| US3238186A | Storable polymerizable systems containing boron compound ca… | Expired / Lapsed | 1961-06-19 | 1966-03-01 | 2 | Details |
| US3236793A | Bis(tributyltin) adipate and antifouling compositions compr… | Expired / Lapsed | 1961-10-02 | 1966-02-22 | 2 | Details |
| US3235323A | Heat-resistant black fibers and fabrics derived from rayon | Expired / Lapsed | 1965-01-21 | 1966-02-15 | 2 | Details |
| US3222204A | Process of making beaded coatings and films from glass bead… | Expired / Lapsed | 1960-04-20 | 1965-12-07 | 2 | Details |
| US3208868A | Method and apparatus for coating articles with particulate … | Expired / Lapsed | 1961-01-05 | 1965-09-28 | 2 | Details |
| US3198248A | Corrugated heat transfer exchangers | Expired / Lapsed | 1963-04-10 | 1965-08-03 | 2 | Details |
| US3188265A | Packaging films | Expired / Lapsed | 1957-11-12 | 1965-06-08 | 2 | Details |
| US3175935A | Method of making reflective particles and resultant article | Expired / Lapsed | 1961-05-08 | 1965-03-30 | 2 | Details |
| US3158494A | Coated polymeric thermoplastic sheet material | Expired / Lapsed | 1962-08-21 | 1964-11-24 | 2 | Details |
| US3154193A | Container and closure member | Expired / Lapsed | 1963-01-04 | 1964-10-27 | 2 | Details |
| US3151037A | Encased fuel | Expired / Lapsed | 1961-02-21 | 1964-09-29 | 2 | Details |
| US3147161A | Propellant composition cured with aziridinyl compounds | Expired / Lapsed | 1961-06-19 | 1964-09-01 | 2 | Details |
| US3147225A | Radioactive sources and method for making | Expired / Lapsed | 1958-01-30 | 1964-09-01 | 2 | Details |
| US3144430A | Polypropylene film and method of making | Expired / Lapsed | 1961-10-09 | 1964-08-11 | 2 | Details |
| US3140340A | Reflex reflector article | Expired / Lapsed | 1961-03-01 | 1964-07-07 | 2 | Details |
| FR1364341A | Optical projector device | Expired / Lapsed | 1963-07-19 | 1964-06-19 | 0 | Details |
| CA683756A | Joints for connecting sections of ceramic pipe | Expired / Lapsed | — | 1964-04-07 | 0 | Details |
| US3121021A | Breathable surgical adhesive tapes | Expired / Lapsed | 1960-04-18 | 1964-02-11 | 2 | Details |
| US3117262A | Plural motor tension and braking control system | Expired / Lapsed | 1962-01-12 | 1964-01-07 | 2 | Details |
| US3103881A | Method of copying | Expired / Lapsed | 1958-10-20 | 1963-09-17 | 1 | Details |
| US3102103A | Perfluoroalkyl acrylate polymers and process of producing a… | Expired / Lapsed | 1963-04-23 | 1963-08-27 | 2 | Details |
| US3089866A | Process for the preparation of fluorine-containing polymers | Expired / Lapsed | 1956-05-25 | 1963-05-14 | 0 | Details |
| US3082293A | Transducing system | Expired / Lapsed | 1959-12-21 | 1963-03-19 | 1 | Details |
| US3075939A | Method of preparing dispersions from blend of fluorine cont… | Expired / Lapsed | 1958-10-08 | 1963-01-29 | 2 | Details |
| US3074869A | Photo-sensitive compositions and articles therefrom | Expired / Lapsed | 1960-12-23 | 1963-01-22 | 1 | Details |
| US3075030A | Thermoelectric generator | Expired / Lapsed | 1959-12-22 | 1963-01-22 | 2 | Details |
| US3074809A | Heat-sensitive copying-paper | Expired / Lapsed | 1959-10-26 | 1963-01-22 | 2 | Details |
| US3074544A | Combination package | Expired / Lapsed | 1958-12-22 | 1963-01-22 | 2 | Details |
| US3064329A | Molded nonwoven fabric articles | Expired / Lapsed | 1959-08-19 | 1962-11-20 | 2 | Details |
| US3064087A | Magnetic recording devices | Expired / Lapsed | 1957-08-19 | 1962-11-13 | 0 | Details |
| US3062708A | Aromatic borane thallophyticides | Expired / Lapsed | 1960-01-04 | 1962-11-06 | 2 | Details |
| US3057469A | Silicones | Expired / Lapsed | 1958-11-24 | 1962-10-09 | 2 | Details |
| US3046463A | Speed regulating apparatus for recording media | Expired / Lapsed | 1959-01-05 | 1962-07-24 | 0 | Details |
| US3032612A | Magnetic recording means | Expired / Lapsed | 1957-09-25 | 1962-05-01 | 0 | Details |
| US3030223A | Bonding structure for laminates | Expired / Lapsed | 1959-02-02 | 1962-04-17 | 0 | Details |
| US3030247A | Stable heat-curing epoxy resin compositions | Expired / Lapsed | 1955-07-28 | 1962-04-17 | 2 | Details |
| US3027601A | Polytetrafluoroethylene films and method for making same | Expired / Lapsed | 1957-07-22 | 1962-04-03 | 2 | Details |
| US3025957A | Packaged folded adhesive sheets | Expired / Lapsed | 1960-06-02 | 1962-03-20 | 0 | Details |
| US3018881A | Adhesive bandage package unit | Expired / Lapsed | 1960-06-02 | 1962-01-30 | 2 | Details |
| US3019206A | Polyblends of a thermoplastic tetrafluoroethylene polymer l… | Expired / Lapsed | 1958-09-24 | 1962-01-30 | 2 | Details |
| US3017457A | Transducing system | Expired / Lapsed | 1959-07-13 | 1962-01-16 | 0 | Details |
| US3011963A | Electrolytic electrocopying apparatus | Expired / Lapsed | 1957-09-25 | 1961-12-05 | 2 | Details |
| US3005940A | Constant speed drive mechanism | Expired / Lapsed | 1959-02-02 | 1961-10-24 | 0 | Details |
| US2990294A | Primer coating compositions | Expired / Lapsed | 1957-02-25 | 1961-06-27 | 2 | Details |
| US2979418A | Chemically resistant coatings and method for preparation th… | Expired / Lapsed | 1958-03-03 | 1961-04-11 | 2 | Details |
| US2977579A | Apparatus for magnetic reproduction | Expired / Lapsed | 1958-12-09 | 1961-03-28 | 0 | Details |
| US2973286A | Solvent-resistant pressure-sensitive polyacrylic adhesive t… | Expired / Lapsed | 1956-03-30 | 1961-02-28 | 2 | Details |
| US2967795A | Protection of wire-splices | Expired / Lapsed | 1955-10-18 | 1961-01-10 | 2 | Details |
| US2958593A | Low density open non-woven fibrous abrasive article | Expired / Lapsed | 1960-01-11 | 1960-11-01 | 2 | Details |
| US2955973A | Perfluorochloroolefin polymers to base materials | Expired / Lapsed | 1955-09-20 | 1960-10-11 | 2 | Details |
| US2951783A | Polymer of trifluorochloroethylene and preparation thereof | Expired / Lapsed | 1956-10-25 | 1960-09-06 | 2 | Details |
| US2944404A | Thermoelectric dehumidifying apparatus | Expired / Lapsed | 1957-04-29 | 1960-07-12 | 0 | Details |
| US2932385A | Multicompartment package with internal breaker strip | Expired / Lapsed | 1956-03-05 | 1960-04-12 | 2 | Details |
| US2930904A | Temperature modifying means for semiconductor device | Expired / Lapsed | 1956-12-31 | 1960-03-29 | 0 | Details |
| US2930835A | Removable splice protector | Expired / Lapsed | 1955-09-29 | 1960-03-29 | 0 | Details |
| US2919553A | Combination fluid heater and dehumidifier | Expired / Lapsed | 1957-08-15 | 1960-01-05 | 0 | Details |
| US2919313A | Low noise preamplifier | Expired / Lapsed | 1956-09-04 | 1959-12-29 | 0 | Details |
| US2919349A | Shadow thermoprinting | Expired / Lapsed | 1956-04-02 | 1959-12-29 | 0 | Details |
| US2918442A | High strength heat-resistant neoprenephenolic adhesive ceme… | Expired / Lapsed | 1959-10-27 | 1959-12-22 | 2 | Details |
| US2915724A | Electrical device | Expired / Lapsed | 1957-06-06 | 1959-12-01 | 0 | Details |
| US2915483A | Plasticized perfluorochloroethylene polymer and process for… | Expired / Lapsed | 1953-12-30 | 1959-12-01 | 2 | Details |
| US2912373A | Polymerization of fluoroethylene monomers | Expired / Lapsed | 1957-11-08 | 1959-11-10 | 2 | Details |
| US2910377A | Heat-sensitive copying-paper | Expired / Lapsed | 1956-06-28 | 1959-10-27 | 2 | Details |
| US2908744A | Cable splice cover | Expired / Lapsed | 1956-05-28 | 1959-10-13 | 0 | Details |
| US2907818A | Magnetic recording of television signals | Expired / Lapsed | 1951-07-23 | 1959-10-06 | 0 | Details |
| US2903546A | Radiation exposure unit | Expired / Lapsed | 1957-02-19 | 1959-09-08 | 0 | Details |
| US2898229A | Process for coating fluorinated polymer surfaces and result… | Expired / Lapsed | 1958-03-31 | 1959-08-04 | 2 | Details |
| US2893906A | Dimensionally thermostable polysulfide compositions contain… | Expired / Lapsed | 1954-07-13 | 1959-07-07 | 2 | Details |
| US2891165A | Thermocopying machine | Expired / Lapsed | 1955-03-28 | 1959-06-16 | 1 | Details |
| US2890266A | Wire-connector | Expired / Lapsed | 1955-03-01 | 1959-06-09 | 0 | Details |
| US2882183A | Silicone pressure-sensitive adhesive tape | Expired / Lapsed | 1956-05-21 | 1959-04-14 | 2 | Details |
| US2874143A | Polytrifluorchloroethylene stabilized with tetraphenyl tin | Expired / Lapsed | 1954-05-26 | 1959-02-17 | 0 | Details |
| US2874198A | Stabilization of perfluorochloroolefin polymers | Expired / Lapsed | 1954-05-26 | 1959-02-17 | 2 | Details |
| US2867241A | Lamination of thermoplastic polymers | Expired / Lapsed | 1956-05-07 | 1959-01-06 | 4 | Details |
| US2867685A | Television recording and reproducing system | Expired / Lapsed | 1952-02-18 | 1959-01-06 | 0 | Details |
| US2866764A | Ink for printing electrical circuits, process for printing … | Expired / Lapsed | 1954-03-05 | 1958-12-30 | 2 | Details |
| US2863782A | Low-melting high-expansion glass | Expired / Lapsed | 1955-07-22 | 1958-12-09 | 2 | Details |
| US2862042A | Cable splice protector | Expired / Lapsed | 1955-08-22 | 1958-11-25 | 0 | Details |
| US2859351A | Method of making permanent facsimile copies | Expired / Lapsed | 1954-10-25 | 1958-11-04 | 2 | Details |
| US2844733A | Reflex thermoprinting | Expired / Lapsed | 1956-04-02 | 1958-07-22 | 2 | Details |
| US2843469A | Methods of making non-rigid rotative abrasive structures | Expired / Lapsed | 1958-02-17 | 1958-07-15 | 2 | Details |
| US2842756A | Phase correction for multiple track recordings | Expired / Lapsed | 1956-07-19 | 1958-07-08 | 0 | Details |
| US2834992A | Injection molding of perfluorochlorocarbon plastics | Expired / Lapsed | 1954-07-28 | 1958-05-20 | 2 | Details |
| US2834993A | Method of fusing high molecular weight polymers at low temp… | Expired / Lapsed | 1953-09-18 | 1958-05-20 | 1 | Details |
| US2825282A | Letterpress printing makeready | Expired / Lapsed | 1956-04-02 | 1958-03-04 | 0 | Details |
| US2824897A | Perchlorofluoro alcohols | Expired / Lapsed | 1955-06-24 | 1958-02-25 | 2 | Details |
| US2817701A | Reproducer for recorded television signals | Expired / Lapsed | 1954-06-11 | 1957-12-24 | 0 | Details |
| US2816162A | Magnetic-tape drop-out compensator | Expired / Lapsed | 1953-11-23 | 1957-12-10 | 0 | Details |
| US2803615A | Fluorocarbon acrylate and methacrylate esters and polymers | Expired / Lapsed | 1956-01-23 | 1957-08-20 | 3 | Details |
| US2788625A | Tape stapling | Expired / Lapsed | 1955-09-27 | 1957-04-16 | 0 | Details |
| US2789063A | Method of activating the surface of perfluorocarbon polymer… | Expired / Lapsed | 1954-03-26 | 1957-04-16 | 2 | Details |
| US2786792A | Method of making polytetrafluoro-ethylene articles | Expired / Lapsed | 1953-05-06 | 1957-03-26 | 2 | Details |
| US2740895A | Thermoprinting apparatus | Expired / Lapsed | 1950-08-21 | 1956-04-03 | 0 | Details |
| US2740896A | Method of using heat sensitive copying paper | Expired / Lapsed | 1947-05-10 | 1956-04-03 | 0 | Details |
| US2738383A | Method and apparatus for duplicating magnetic recordings an… | Expired / Lapsed | 1948-06-21 | 1956-03-13 | 0 | Details |
| US2713286A | Reflex light reflectors and glass bead elements thereof | Expired / Lapsed | 1949-10-22 | 1955-07-19 | 2 | Details |
| US2711901A | Magnetic recording tape and method of making same | Expired / Lapsed | 1952-05-21 | 1955-06-28 | 4 | Details |
| US2710263A | Heat-sensitive copying-paper | Expired / Lapsed | 1951-02-02 | 1955-06-07 | 2 | Details |
| US2689805A | Method of coating polytetrafluoroethylene articles and resu… | Expired / Lapsed | 1952-06-30 | 1954-09-21 | 2 | Details |
| US2684240A | Adhesive tape propelling mechanism | Expired / Lapsed | 1950-02-04 | 1954-07-20 | 0 | Details |
| US2674556A | Gummed strapping tape | Expired / Lapsed | 1950-08-17 | 1954-04-06 | 0 | Details |
| US2671065A | Polyvinyl acetate dispersion and method of making utilizing… | Expired / Lapsed | 1950-03-30 | 1954-03-02 | 2 | Details |
| US2668126A | Heat-sensitive copying-paper | Expired / Lapsed | 1950-01-05 | 1954-02-02 | 2 | Details |
| US2668151A | Hydrophobic inorganic particulate materials | Expired / Lapsed | 1948-06-12 | 1954-02-02 | 2 | Details |
| US2666797A | Fluorinated alcohols and acetate esters | Expired / Lapsed | 1950-05-26 | 1954-01-19 | 2 | Details |
| US2662835A | Chromium coordination complexes of saturated perfluoro-mono… | Expired / Lapsed | 1951-04-06 | 1953-12-15 | 3 | Details |
| US2662064A | Decorative wall surfacing material | Expired / Lapsed | 1949-01-12 | 1953-12-08 | 2 | Details |
| US2654681A | Magnetic recording tape | Expired / Lapsed | 1950-01-27 | 1953-10-06 | 2 | Details |
| US2654170A | Disintegrable label and washable container labeled therewith | Expired / Lapsed | 1949-01-17 | 1953-10-06 | 2 | Details |
| US2651408A | Roll of adhesive tape | Expired / Lapsed | 1949-08-15 | 1953-09-08 | 0 | Details |
| US2648165A | Seed carrier | Expired / Lapsed | 1945-06-04 | 1953-08-11 | 0 | Details |
| US2642416A | Fluorinated acrylates and polymers | Expired / Lapsed | 1952-01-09 | 1953-06-16 | 2 | Details |
| DE871801C | Strong, pressure-sensitive adhesive tape | Expired / Lapsed | 1950-05-12 | 1953-03-26 | 0 | Details |
| US2620289A | Method of securing flexible sheets to relatively stiff back… | Expired / Lapsed | 1945-08-27 | 1952-12-02 | 2 | Details |
| US2601016A | Oil-resistant adhesive tape | Expired / Lapsed | 1949-11-25 | 1952-06-17 | 2 | Details |
| US2567671A | Pressure-sensitive adhesive tape | Expired / Lapsed | 1949-10-10 | 1951-09-11 | 1 | Details |
| US2567186A | Inverse method of forming particulate coated sheets | Expired / Lapsed | 1948-06-23 | 1951-09-11 | 1 | Details |
| US2548872A | Method of fixing particles to sheet material | Expired / Lapsed | 1948-08-10 | 1951-04-17 | 0 | Details |
| US2544692A | Pressure-sensitive adhesive tape | Expired / Lapsed | 1949-04-20 | 1951-03-13 | 2 | Details |
| US2532011A | Liners and adhesive tapes having low adhesion polyvinyl car… | Expired / Lapsed | 1946-09-07 | 1950-11-28 | 1 | Details |
| US2531373A | Process of refrigeration | Expired / Lapsed | 1949-02-28 | 1950-11-21 | 2 | Details |
| US2491477A | Adhesive cement having a butadiene-acrylonitrile copolymer … | Expired / Lapsed | 1943-12-07 | 1949-12-20 | 0 | Details |
| US2477196A | Method of making pressure-sensitive adhesive sheeting | Expired / Lapsed | 1945-06-12 | 1949-07-26 | 0 | Details |
| US2444443A | Composite flexible moistureproof wrapping tape or sheet | Expired / Lapsed | 1943-02-10 | 1948-07-06 | 0 | Details |
| US2444830A | Adhesive sheet and method of making | Expired / Lapsed | 1938-04-04 | 1948-07-06 | 0 | Details |
| US2442876A | Method of making pressure-sensitive adhesive sheeting | Expired / Lapsed | 1944-05-27 | 1948-06-08 | 0 | Details |
| US2432928A | Transparent pressure-sensitive lenticular sheet | Expired / Lapsed | 1943-05-04 | 1947-12-16 | 0 | Details |
| US2430987A | Adhesive for use as tile cements and the like | Expired / Lapsed | 1944-12-08 | 1947-11-18 | 0 | Details |
| US2407680A | Reflex light reflector | Expired / Lapsed | 1945-03-02 | 1946-09-17 | 0 | Details |
| US2405191A | Method of curing abrasive binders and abrasive articles pro… | Expired / Lapsed | 1942-02-24 | 1946-08-06 | 0 | Details |
| US2383884A | Colored reflex light reflector | Expired / Lapsed | 1944-06-12 | 1945-08-28 | 0 | Details |
| US2379702A | Reflex light reflector | Expired / Lapsed | 1943-01-23 | 1945-07-03 | 0 | Details |
| US2376342A | Manufacture of abrasives | Expired / Lapsed | 1941-07-08 | 1945-05-22 | 0 | Details |
| US2357348A | Abrasive articles and method of making the same | Expired / Lapsed | 1941-03-20 | 1944-09-05 | 0 | Details |
| US2357350A | Composite articles and abrasive belts or sheets | Expired / Lapsed | 1939-09-02 | 1944-09-05 | 0 | Details |
| US2354048A | Flexible lenticular optical sheet | Expired / Lapsed | 1940-08-03 | 1944-07-18 | 0 | Details |
| US2328057A | Pressure-sensitive adhesive sheet | Expired / Lapsed | 1941-02-27 | 1943-08-31 | 0 | Details |
| US2328066A | Coating hydrophilic cellulosic films | Expired / Lapsed | 1940-05-03 | 1943-08-31 | 0 | Details |
| US2319959A | Adhesive | Expired / Lapsed | 1941-02-19 | 1943-05-25 | 0 | Details |
| US2309093A | Apparatus for dispensing and hemming adhesive tape | Expired / Lapsed | 1939-05-04 | 1943-01-26 | 0 | Details |
| US2294930A | Reflex light reflector | Expired / Lapsed | 1941-04-07 | 1942-09-08 | 0 | Details |
| US2287837A | Method and apparatus for applying coating materials | Expired / Lapsed | 1941-01-22 | 1942-06-30 | 0 | Details |
| US2281558A | Manufacture of abrasive articles and apparatus therefor | Expired / Lapsed | 1933-03-06 | 1942-05-05 | 0 | Details |
| US2269712A | Adhesive sheet and method of making | Expired / Lapsed | 1938-04-20 | 1942-01-13 | 0 | Details |
| US2248064A | Coating, particularly for manufacture of abrasives | Expired / Lapsed | 1933-06-01 | 1941-07-08 | 0 | Details |
| US2220140A | Abrasive sheet material | Expired / Lapsed | 1933-03-15 | 1940-11-05 | 0 | Details |
| US2177627A | Adhesive sheeting | Expired / Lapsed | 1938-02-18 | 1939-10-31 | 0 | Details |
| FR756564A | Improvements in manufacturing processes for abrasive produc… | Expired / Lapsed | 1933-03-22 | 1933-12-12 | 0 | Details |
| US1856986A | Adhesive sheeting | Expired / Lapsed | 1925-07-27 | 1932-05-03 | 0 | Details |
| US1760820A | Adhesive tape | Expired / Lapsed | 1928-05-28 | 1930-05-27 | 0 | Details |