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US3122358A Expired / Lapsed US ⏱️ 0.0 years remaining

Timer heat reduction drier control

Assignee: Whirlpool Corp
•
Filing: 1960-07-26
•
Granted: 1964-02-25
•
Expires: 1980-07-26
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Abstract

No abstract record available.

Inventors

  • 👤 Clifton A Cobb
  • 👤 James T Williams

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 16:12
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/27541; D; D06; D06F; D06F34/00; D06F34/08; D06F2103/00; D06F2103/02; D06F2103/08; D06F2103/28; D06F2103/32; D06F2105/00; D06F2105/28; D06F2105/46; D06F2105/62; D06F58/00; D06F58/32; D06F58/34; D06F58/36; D06F58/38; D06F58/40

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 188 words
IN A DRYER, AUTOMATICALLY OPERABLE THROUGH A DRYING CYCLE, MEANS FOR DRIVING A STREAM OF AIR FOR DRYING MATERIALS PLACED IN A TREATMENT ZONE, PLURAL HEATING MEANS FOR ADDING THERMAL ENERGY TO SAID STREAM OF AIR TO ENHANCE THE DRYING CHARACTERISTICS THEREOF, AND CONTROL MEANS INCLUDING A TIMER MOTOR, CIRCUIT MEANS FOR CONTROLLING SAID PLURAL HEATING MEANS INCLUDING SWITCH MEANS OPERATED BY SAID TIMER MOTOR, AND A SENSOR THERMOSTAT CONTROLLING THE OPERATION OF SAID TIMER MOTOR, SAID SENSOR THERMOSTAT OPERABLE TO RESPOND TO AN UPPER TEMPERATURE AS A FIRST STEP OF THE DRYING CYCLE TO ENERGIZE SAID TIMER MOTOR, WHEREUPON SAID TIMER MOTOR WILL CONTINUE THE DRYING CYCLE FOR A TIME INTERVAL AT MAXIMUM HEAT INPUT, SAID TIMER MOTOR OPERABLE AFTER SAID TIMED INTERVAL TO ACTUATE SAID SWITCH MEANS AND DEACTIVATING AT LEAST ONE OF SAID PLURAL HEATERS, THEREBY STEPPING DOWN THE HEAT INPUT, SAID SENSOR THERMOSTAT OPERABLE TO RESPOND AT A LOWER TEMPERATURE AS A SECOND STEP OF THE DRYING CYCLE TO DISABLE SAID TIMER MOTOR, WHEREUPON THE DRYING CYCLE WILL BE CONDITIONED FOR A FURTHER STEP DOWN CONTROL BY SAID SENSOR THERMOSTAT AND SAID TIMER MOTOR.
Claim 2
Dependent Claim 188 words
IN A DRYER, AUTOMATICALLY OPERABLE THROUGH A DRYING CYCLE, MEANS FOR DRIVING A STREAM OF AIR FOR DRYING MATERIALS PLACED IN A TREATMENT ZONE, PLURAL HEATING MEANS FOR ADDING THERMAL ENERGY TO SAID STREAM OF AIR TO ENHANCE THE DRYING CHARACTERISTICS THEREOF, AND CONTROL MEANS INCLUDING A TIMER MOTOR, CIRCUIT MEANS FOR CONTROLLING SAID PLURAL HEATING MEANS INCLUDING SWITCH MEANS OPERATED BY SAID TIMER MOTOR, AND A SENSOR THERMOSTAT CONTROLLING THE OPERATION OF SAID TIMER MOTOR, SAID SENSOR THERMOSTAT OPERABLE TO RESPOND TO AN UPPER TEMPERATURE AS A FIRST STEP OF THE DRYING CYCLE TO ENERGIZE SAID TIMER MOTOR, WHEREUPON SAID TIMER MOTOR WILL CONTINUE THE DRYING CYCLE FOR A TIME INTERVAL AT MAXIMUM HEAT INPUT, SAID TIMER MOTOR OPERABLE AFTER SAID TIMED INTERVAL TO ACTUATE SAID SWITCH MEANS AND DEACTIVATING AT LEAST ONE OF SAID PLURAL HEATERS, THEREBY STEPPING DOWN THE HEAT INPUT, SAID SENSOR THERMOSTAT OPERABLE TO RESPOND AT A LOWER TEMPERATURE AS A SECOND STEP OF THE DRYING CYCLE TO DISABLE SAID TIMER MOTOR, WHEREUPON THE DRYING CYCLE WILL BE CONDITIONED FOR A FURTHER STEP DOWN CONTROL BY SAID SENSOR THERMOSTAT AND SAID TIMER MOTOR.

References Cited (Backward Citations)

US2826825A Cited
US2621423A Cited
US2846776A Cited
US2796679A Cited
US2928267A Cited
US2819540A Cited
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US3028680A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-02-24 1967-08-26 1968-02-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-02-24 1971-08-26 1972-02-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-02-24 1975-08-26 1976-02-25 $7700.00 Window Closed / Lapsed

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