Patent US2719581A successfully refreshed from Google Patents.
Patent US3318016A successfully refreshed from Google Patents.
US3318016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic dryer control circuit
Assignee: General Electric Co
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Filing: 1965-06-21
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Granted: 1967-05-09
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Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Glenn R Chafee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:06
CPC Classifications
D; D06; D06F; D06F34/00; D06F34/08; D06F2103/00; D06F2103/02; D06F2103/12; D06F2105/00; D06F2105/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A FABRIC DRYING MACHINE COMPRISING: (A) A FABRIC DRYING CONTAINER; (B) MAIN HEATING MEANS FOR SUPPLYING DRYING HEAT TO FABRICS IN SAID CONTAINER; (C) A CONTROL CIRCUIT ADAPTED TO CONNECT SAID MAIN HEATING MEANS TO A SOURCE OF ELECTRICAL ENERGY; (D) A TIMER CONNECTED IN SAID CONTROL CIRCUIT AND ADAPTED TO DEACTIVATE SAID DRYING MACHINE AFTER A FIRST PREDETERMINED PERIOD OF TIMER OPERATION, (E) THERMOSTAT MEANS CONNECTED IN SAID CONTROL CIRCUIT AND ADAPTED TO CAUSE ALTERNATIVE OPERATION OF SAID MAIN HEATING MEANS AND SAID TIMER, (F) A BIAS HEATER CONNECTED IN SAID CONTROL CIRCUIT AND ADAPTED TO RAISE THE OPERATING TEMPERATURE RANGE OF SAID THERMOSTAT MEANS, (G) SAID TIMER BEING ADAPTED TO DISCONNECT SAID BIAS HEATER FROM SAID CONTROL CIRCUIT AFTER A SECOND PREDETERMINED PERIOD OF TIMER OPERATION, SAID SECOND PERIOD OF TIMER OPERATION BEING LESS THAN SAID FIRST PERIOD OF TIMER OPERATION.
Claim 2
Dependent Claim
143 words
A FABRIC DRYING MACHINE COMPRISING: (A) A FABRIC DRYING CONTAINER; (B) MAIN HEATING MEANS FOR SUPPLYING DRYING HEAT TO FABRICS IN SAID CONTAINER; (C) A CONTROL CIRCUIT ADAPTED TO CONNECT SAID MAIN HEATING MEANS TO A SOURCE OF ELECTRICAL ENERGY; (D) A TIMER CONNECTED IN SAID CONTROL CIRCUIT AND ADAPTED TO DEACTIVATE SAID DRYING MACHINE AFTER A FIRST PREDETERMINED PERIOD OF TIMER OPERATION, (E) THERMOSTAT MEANS CONNECTED IN SAID CONTROL CIRCUIT AND ADAPTED TO CAUSE ALTERNATIVE OPERATION OF SAID MAIN HEATING MEANS AND SAID TIMER, (F) A BIAS HEATER CONNECTED IN SAID CONTROL CIRCUIT AND ADAPTED TO RAISE THE OPERATING TEMPERATURE RANGE OF SAID THERMOSTAT MEANS, (G) SAID TIMER BEING ADAPTED TO DISCONNECT SAID BIAS HEATER FROM SAID CONTROL CIRCUIT AFTER A SECOND PREDETERMINED PERIOD OF TIMER OPERATION, SAID SECOND PERIOD OF TIMER OPERATION BEING LESS THAN SAID FIRST PERIOD OF TIMER OPERATION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |