US3167643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal wattage controller
Assignee: King Seeley Thermos Co
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Filing: 1961-03-08
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Granted: 1965-01-26
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Expires: 1981-03-08
Abstract
No abstract record available.
Inventors
- 👤 Turner Charles Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:43
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0213; H01; H01H; H01H37/00; H01H37/02; H01H37/12; H01H37/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A WATTAGE CONTROLLER COMPRISING A THERMALLY RESPONSIVE CYCLING SWITCH HAVING A PAIR OF CONTACTS ARRANGED TO BE CONNECTED IN SERIES WITH A HEATING UNIT, MANUALLY OPERABLE MEANS FOR URGING ONE OF SAID CONTACTS INTO THE OTHER CONTACT WITH CONTROLLABLE RESILIENT DISPLACEMENT OF BOTH CONTACTS TO ADJUST THE POWER INPUT TO SAID HEATING UNIT BY VARYING THE RATIO OF CLOSED TO OPEN TIME, THERMOMOTIVE MEANS FOR OPENING SAID CONTACTS, A RESISTANCE HEATER THERMALLY ASSOCIATED WITH SAID THERMOMOTIVE MEANS CONNECTED IN CIRCUIT THROUGH SAID CONTACTS TO A POWER SUPPLY COMPRISING THE SOLE EFFECTIVE MEANS FOR HEATING SAID THERMOMOTIVE MEANS, AND MEANS FOR PROGRESSIVELY VARYING THE HEAT EFFECT OF SAID RESISTANCE HEATER UPON SAID THERMOMOTIVE MEANS AS THE POWER INPUT IS ADJUSTED.
Claim 2
Dependent Claim
119 words
A WATTAGE CONTROLLER COMPRISING A THERMALLY RESPONSIVE CYCLING SWITCH HAVING A PAIR OF CONTACTS ARRANGED TO BE CONNECTED IN SERIES WITH A HEATING UNIT, MANUALLY OPERABLE MEANS FOR URGING ONE OF SAID CONTACTS INTO THE OTHER CONTACT WITH CONTROLLABLE RESILIENT DISPLACEMENT OF BOTH CONTACTS TO ADJUST THE POWER INPUT TO SAID HEATING UNIT BY VARYING THE RATIO OF CLOSED TO OPEN TIME, THERMOMOTIVE MEANS FOR OPENING SAID CONTACTS, A RESISTANCE HEATER THERMALLY ASSOCIATED WITH SAID THERMOMOTIVE MEANS CONNECTED IN CIRCUIT THROUGH SAID CONTACTS TO A POWER SUPPLY COMPRISING THE SOLE EFFECTIVE MEANS FOR HEATING SAID THERMOMOTIVE MEANS, AND MEANS FOR PROGRESSIVELY VARYING THE HEAT EFFECT OF SAID RESISTANCE HEATER UPON SAID THERMOMOTIVE MEANS AS THE POWER INPUT IS ADJUSTED.
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) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |