US3349692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature-sensing arrangements for heating or cooking appliances
Assignee: Morphy Richards Cray Ltd
•
Filing: 1964-08-17
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Granted: 1967-10-31
•
Expires: 1984-08-17
Abstract
No abstract record available.
Inventors
- 👤 Jones John Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:57
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/10; G01J5/20; A; A47; A47J; A47J37/00; A47J37/06; A47J37/08; A47J37/0814; A47J37/085; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A COOKING APPLIANCE FOR FOODSTUFFS HAVING ELECTRICALLY ENERGISED RADIANT HEATING MEANS, A SUPPORT FOR SAID FOODSTUFF WHICH CAN BE PLACED THEREON TO RECEIVE RADIATION FROM THE HEATING MEANS TO BE COOKED THEREBY, AN ELEMENT OF LOW THERMAL CAPACITY FROM WHICH IS DERIVED AN ELECTRICAL SIGNAL WHICH IS DEPENDENT ON ITS TEMPERATURE, SHIELDING MEANS PREVENTING HEAT RADIATION FROM SAID HEATING MEANS IMPINGING DIRECTLY ON SAID ELEMENT, AN ELONGATED HEAT RADIATION TRANSMISSIVE GUIDE MEMBER HAVING RADIATION REFLECTIVE WALLS THEREBY TO TEND TO RETAIN HEAT RADIATION WITHIN SAID GUIDE MEMBER, SAID MEMBER BEING PLACED WITH ONE END FACING A PORTION OF THE SURFACE OF SAID FOODSTUFF AND HAVING AT ITS OTHER END SAID ELEMENT AT LEAST DURING COOKING OF A FOODSTUFF ON SAID SUPPORT, WHEREBY SAID ELEMENT RECEIVES HEAT RADIATION EMITTED FROM SAID PORTION OF SAID SURFACE OF SAID FOODSTUFF ON SAID SUPPORT, AND
Claim 2
Dependent Claim
141 words
A COOKING APPLIANCE FOR FOODSTUFFS HAVING ELECTRICALLY ENERGISED RADIANT HEATING MEANS, A SUPPORT FOR SAID FOODSTUFF WHICH CAN BE PLACED THEREON TO RECEIVE RADIATION FROM THE HEATING MEANS TO BE COOKED THEREBY, AN ELEMENT OF LOW THERMAL CAPACITY FROM WHICH IS DERIVED AN ELECTRICAL SIGNAL WHICH IS DEPENDENT ON ITS TEMPERATURE, SHIELDING MEANS PREVENTING HEAT RADIATION FROM SAID HEATING MEANS IMPINGING DIRECTLY ON SAID ELEMENT, AN ELONGATED HEAT RADIATION TRANSMISSIVE GUIDE MEMBER HAVING RADIATION REFLECTIVE WALLS THEREBY TO TEND TO RETAIN HEAT RADIATION WITHIN SAID GUIDE MEMBER, SAID MEMBER BEING PLACED WITH ONE END FACING A PORTION OF THE SURFACE OF SAID FOODSTUFF AND HAVING AT ITS OTHER END SAID ELEMENT AT LEAST DURING COOKING OF A FOODSTUFF ON SAID SUPPORT, WHEREBY SAID ELEMENT RECEIVES HEAT RADIATION EMITTED FROM SAID PORTION OF SAID SURFACE OF SAID FOODSTUFF ON SAID SUPPORT, AND
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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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |