US3116982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Humidity responsive drying apparatus
Assignee: Energy Kontrols Inc
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Filing: 1959-05-19
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Granted: 1964-01-07
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Expires: 1979-05-19
Abstract
No abstract record available.
Inventors
- 👤 Oran T Mcilvaine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:58
CPC Classifications
G; G05; G05D; G05D22/00; G05D22/02; D; D06; D06F; D06F34/00; D06F34/14; D06F34/26; D06F2103/00; D06F2103/28; D06F2103/34; D06F2105/00; D06F2105/12; D06F2105/62; D06F34/08; D06F58/00; D06F58/32; D06F58/34; D06F58/36; D06F58/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN A CLOTHES DRYER HAVING A CYLINDER MOUNTED FOR ROTATION AND ADAPTED TO RECEIVE THE CLOTHES TO BE DRIED, A FAN, AN ELECTRICAL CIRCUIT, A HEATER IN SAID CIRCUIT, A MOTOR IN SAID CIRCUIT AND OPERTIVE A ROTATE SAID CYLINDER AND SAID FAN, AND TIMER MEANS IN SAID CIRCUIT OPERATING SWITCH MEANS FOR STARTING THE OPERATION OF SAID HEATER AND SAID MOTOR, THE IMPROVEMENT COMPRISING MEANS FOR CONNECTING SAID TIMER MEANS IN THE CIRCUIT TO PROVIDE AUTOMATIC OPERATION OF SAID DRYER COMPRISING MEANS FOR SENSING HUMIDITY CONDITIONS IN SAID DRYER, SAID LAST-NAMED MEANS INCLUDING A LIGHT-RESPONSIVE CURRENT FLOW DEVICE IN SAID CIRCUIT, A LIGHT SOURCE IN SAID CIRCUIT, A MOISTURE ABSORBENT MATERIAL PLACED IN RESPONSIVE RELATION TO SAID SOURCE OF LIGHT AND SAID LIGHT RESPONSIVE DEVICE, SAID MATERIAL BEING COLOR SENSITIVE TO CHANGE OF MOISTURE IN THE DRYER TO VARY THE INTENSITY OF LIGHTS FROM SAID SOURCE TO SAID LIGHT-RESPONSIVE DEVICE, AND MEANS RESPONSIVE TO CURRENT IN THE LIGHT-RESPONSIVE DEVICE TO CONNECT SAID TIMER MEANS IN ACCORDANCE WITH THE MOISTURE CONTENT OF THE AIR IN THE DRYER.
Claim 2
Dependent Claim
177 words
IN A CLOTHES DRYER HAVING A CYLINDER MOUNTED FOR ROTATION AND ADAPTED TO RECEIVE THE CLOTHES TO BE DRIED, A FAN, AN ELECTRICAL CIRCUIT, A HEATER IN SAID CIRCUIT, A MOTOR IN SAID CIRCUIT AND OPERTIVE A ROTATE SAID CYLINDER AND SAID FAN, AND TIMER MEANS IN SAID CIRCUIT OPERATING SWITCH MEANS FOR STARTING THE OPERATION OF SAID HEATER AND SAID MOTOR, THE IMPROVEMENT COMPRISING MEANS FOR CONNECTING SAID TIMER MEANS IN THE CIRCUIT TO PROVIDE AUTOMATIC OPERATION OF SAID DRYER COMPRISING MEANS FOR SENSING HUMIDITY CONDITIONS IN SAID DRYER, SAID LAST-NAMED MEANS INCLUDING A LIGHT-RESPONSIVE CURRENT FLOW DEVICE IN SAID CIRCUIT, A LIGHT SOURCE IN SAID CIRCUIT, A MOISTURE ABSORBENT MATERIAL PLACED IN RESPONSIVE RELATION TO SAID SOURCE OF LIGHT AND SAID LIGHT RESPONSIVE DEVICE, SAID MATERIAL BEING COLOR SENSITIVE TO CHANGE OF MOISTURE IN THE DRYER TO VARY THE INTENSITY OF LIGHTS FROM SAID SOURCE TO SAID LIGHT-RESPONSIVE DEVICE, AND MEANS RESPONSIVE TO CURRENT IN THE LIGHT-RESPONSIVE DEVICE TO CONNECT SAID TIMER MEANS IN ACCORDANCE WITH THE MOISTURE CONTENT OF THE AIR IN THE DRYER.
References Cited (Backward Citations)
US2109235A
Cited
US2826825A
Cited
US1933803A
Cited
US2403630A
Cited
US2687041A
Cited
US2744337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |