US3073938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for regulating oven temperatures
Assignee: PROCTOR SILEX CORP
•
Filing: 1957-04-30
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Granted: 1963-01-15
•
Expires: 1977-04-30
Abstract
No abstract record available.
Inventors
- 👤 Turner Charles Roger
- 👤 Daniel E Clapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:36
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0213; H01; H01H; H01H37/00; H01H37/02; H01H37/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
IN A TEMPERATURE REGULATOR FOR AN ELECTRIC OVEN INCLUDING AT LEAST TWO ELECTRIC RESISTANCE HEATING ELEMENTS, THE COMBINATION COMPRISING A THERMOSTAT RESPONSIVE TO OVEN TEMPERATURE, A SWITCH CONTROLLED BY SAID THERMOSTAT FOR CONTROLLING ENERGIZATION OF ONE OF SAID HEATING ELEMENTS BY MOVEMENT OF SAID SWITCH BETWEEN CLOSED AND OPEN POSITIONS AND MAINTAINING A SUBSTANTIALLY UNIFORM OVEN TEMPERATURE BY THE RESULTING INTERMITTENT ENERGIZATION, A SEPARATE SWITCH CONTROLLING THE ENERGIZATION OF ANOTHER OF SAID HEATING ELEMENTS, MANUALLY OPERABLE MEANS
Claim 2
Dependent Claim
77 words
IN A TEMPERATURE REGULATOR FOR AN ELECTRIC OVEN INCLUDING AT LEAST TWO ELECTRIC RESISTANCE HEATING ELEMENTS, THE COMBINATION COMPRISING A THERMOSTAT RESPONSIVE TO OVEN TEMPERATURE, A SWITCH CONTROLLED BY SAID THERMOSTAT FOR CONTROLLING ENERGIZATION OF ONE OF SAID HEATING ELEMENTS BY MOVEMENT OF SAID SWITCH BETWEEN CLOSED AND OPEN POSITIONS AND MAINTAINING A SUBSTANTIALLY UNIFORM OVEN TEMPERATURE BY THE RESULTING INTERMITTENT ENERGIZATION, A SEPARATE SWITCH CONTROLLING THE ENERGIZATION OF ANOTHER OF SAID HEATING ELEMENTS, MANUALLY OPERABLE MEANS
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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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |