US3251980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for ovens
Assignee: Stewart Warner Corp
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Filing: 1965-01-18
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Granted: 1966-05-17
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Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 Miles Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:50
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24; G05D23/1906; G05D23/1913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN OVEN HEATER CONTROL SYSTEM FOR REGULATING THE COOKING TEMPERATURE OF FOOD COOKED THEREIN COMPRISING THERMOSTAT MEANS IN SAID OVEN, MANUALLY OPERABLE MEANS FOR SETTING SAID THERMOSTAT MEANS TO SELECT A DESIRED MAXIMUM OVEN TEMPERATURE, MEANS OPERABLE RESPONSIVE TO THE TEMPERATURE OF SAID FOOD FOR AUTOMATICALLY CONTROLLING THE SETTING OF SAID THERMOSTAT MEANS TO TEND TO REDUCE THE OVEN TEMPERATURE AS THE FOOD TEMPERATURE INCREASES, AND TIMING MEANS FOR CONTROLLING SAID THERMOSTAT MEANS TO GRADUALLY INCREASE THE OVEN TEMPERATURE TO BRING THE FOOD TO A DESIRED TEMPERATURE IN A DESIRED TIME PERIOD.
Claim 2
Dependent Claim
92 words
AN OVEN HEATER CONTROL SYSTEM FOR REGULATING THE COOKING TEMPERATURE OF FOOD COOKED THEREIN COMPRISING THERMOSTAT MEANS IN SAID OVEN, MANUALLY OPERABLE MEANS FOR SETTING SAID THERMOSTAT MEANS TO SELECT A DESIRED MAXIMUM OVEN TEMPERATURE, MEANS OPERABLE RESPONSIVE TO THE TEMPERATURE OF SAID FOOD FOR AUTOMATICALLY CONTROLLING THE SETTING OF SAID THERMOSTAT MEANS TO TEND TO REDUCE THE OVEN TEMPERATURE AS THE FOOD TEMPERATURE INCREASES, AND TIMING MEANS FOR CONTROLLING SAID THERMOSTAT MEANS TO GRADUALLY INCREASE THE OVEN TEMPERATURE TO BRING THE FOOD TO A DESIRED TEMPERATURE IN A DESIRED TIME PERIOD.
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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |