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US3196553A Expired / Lapsed US ⏱️ 0.0 years remaining

Temperature responsive timer control for a clothes drier

Assignee: Motors Liquidation Co
•
Filing: 1960-09-19
•
Granted: 1965-07-27
•
Expires: 1980-09-19
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Abstract

No abstract record available.

Inventors

  • 👤 Homer W Deaton
  • 👤 Raymond M Hutchinson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 03:49
CPC Classifications
D; D06; D06F; D06F34/00; D06F34/14; D06F34/26; D06F2103/00; D06F2103/28; D06F2103/32; D06F2105/00; D06F2105/28; D06F2105/30; D06F2105/62; D06F34/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 232 words
A CONTROL CIRCUIT FOR A CONDENSING DRYER HAVING MEANS DEFINING A RECIRCULATING AIR STREAM AND A SINGLE PASS COOLING AIR STREAM IN HEAT TRANSFER RELATIONSHIP TO SAID RECIRCULATING AIR STREAM, A HEATER FOR SAID RECIRCULATING AIR STREAM AND A PRIMARY MOTOR FOR INITIATING SAID AIR STREAM COMPRISING MEANS FOR SEQUENTIALLY CONTROLLING SAID HEATER AND SAID PRIMARY MOTOR IN A DRYING CYCLE INCLUDING A TIMER MOTOR AND A TIMER SWITCH, A THERMOSTAT IN THE OUTLET OF SAID COOLING AIR STREAM HAVING A THERMOSTAT SWITCH AND A THERMALLY RESPONSIVE MEANS FOR CONTROLLING SAID TIMER MOTOR SWITCH, A RELAY SWITCH IN SERIES WITH SAID TIMER MOTOR AND SAID TIMER SWITCH AND HAVING A RELAY COIL FOR ACTUATING SAID RELAY SWITCH IN SERIES WITH SAID THERMOSTAT SWITCH AND SAID TIMER SWITCH IN PARALLEL WITH SAID TIMER MOTOR AND SAID RELAY SWITCH, SAID RELAY COIL ADAPTED TO OPEN SAID RELAY SWITCH WHEN SAID COIL IS ENERGIZING AND ADAPTED TO CLOSE SAID RELAY SWITCH WHEN SAID COIL IS DEENERGIZED, SAID THERMOSTAT SWITCH HAVING A PAIR OF MOVABLE CONTACTS IN SERIES WITH SAID RELAY COIL AND BEING NORMALLY CLOSED UPON INCREASE IN TEMPREATURE TO CONDITION SAID RELAY COIL FOR ENERGIZATION, AND SAID THERMALLY RESPONSIVE MEANS OPERATING TO RESTRAIN ONE OF SAID CONTACTS, THEREBY TO OPEN SAID THEREMOST SWITCH TO DEENERGIZE SAID RELAY COIL AND START SAID TIMER MOTOR TO TERMINATE SAID DRYING CYCLE UPON A DECREASE IN SAID TEMPERATURE.
Claim 2
Dependent Claim 232 words
A CONTROL CIRCUIT FOR A CONDENSING DRYER HAVING MEANS DEFINING A RECIRCULATING AIR STREAM AND A SINGLE PASS COOLING AIR STREAM IN HEAT TRANSFER RELATIONSHIP TO SAID RECIRCULATING AIR STREAM, A HEATER FOR SAID RECIRCULATING AIR STREAM AND A PRIMARY MOTOR FOR INITIATING SAID AIR STREAM COMPRISING MEANS FOR SEQUENTIALLY CONTROLLING SAID HEATER AND SAID PRIMARY MOTOR IN A DRYING CYCLE INCLUDING A TIMER MOTOR AND A TIMER SWITCH, A THERMOSTAT IN THE OUTLET OF SAID COOLING AIR STREAM HAVING A THERMOSTAT SWITCH AND A THERMALLY RESPONSIVE MEANS FOR CONTROLLING SAID TIMER MOTOR SWITCH, A RELAY SWITCH IN SERIES WITH SAID TIMER MOTOR AND SAID TIMER SWITCH AND HAVING A RELAY COIL FOR ACTUATING SAID RELAY SWITCH IN SERIES WITH SAID THERMOSTAT SWITCH AND SAID TIMER SWITCH IN PARALLEL WITH SAID TIMER MOTOR AND SAID RELAY SWITCH, SAID RELAY COIL ADAPTED TO OPEN SAID RELAY SWITCH WHEN SAID COIL IS ENERGIZING AND ADAPTED TO CLOSE SAID RELAY SWITCH WHEN SAID COIL IS DEENERGIZED, SAID THERMOSTAT SWITCH HAVING A PAIR OF MOVABLE CONTACTS IN SERIES WITH SAID RELAY COIL AND BEING NORMALLY CLOSED UPON INCREASE IN TEMPREATURE TO CONDITION SAID RELAY COIL FOR ENERGIZATION, AND SAID THERMALLY RESPONSIVE MEANS OPERATING TO RESTRAIN ONE OF SAID CONTACTS, THEREBY TO OPEN SAID THEREMOST SWITCH TO DEENERGIZE SAID RELAY COIL AND START SAID TIMER MOTOR TO TERMINATE SAID DRYING CYCLE UPON A DECREASE IN SAID TEMPERATURE.

References Cited (Backward Citations)

US1839935A Cited
US2743533A Cited
US2678379A Cited
US2903799A Cited
US2875526A Cited
US2895230A Cited
US2904895A Cited
US2830157A 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) 1968-07-26 1969-01-25 1969-07-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-26 1973-01-25 1973-07-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-26 1977-01-25 1977-07-27 $7700.00 Window Closed / Lapsed

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