Patent US2498526A successfully refreshed from Google Patents.
Patent US2915397A successfully refreshed from Google Patents.
US2915397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooking device and method
Assignee: Individual
•
Filing: 1957-09-30
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Granted: 1959-12-01
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Expires: 1977-09-30
Abstract
No abstract record available.
Inventors
- 👤 Telkes Maria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:28
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/0611
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A FOOD COOKING COMPRISING IN COMBIBATION A PLATEN COMPOUND ESSENTIALLY OF HEAT CONDUCTIVE MATERIAL RESISTANT TO COOKING TEMPERATURES AND PRESENTING A COOKING SURFACE FOR DIRECT CONTACT, WITH THE SURFACE OF AN ARTICLE COMPRISING FOOR TO BE COOLED, A MASS ESSENTIALLY COMPRISING ANHYDROUS SODIUM SULPHATE DISPOSED IN DIRECT HEAT EXCHANGE RELATION WITH THE OPPOSITE SURFACE OF SAID PLATEN SUBSTANTIALLY THROUGHOUT THE AREA DIRECTLY OPPOSITE TO SAID COOLING SURFACE, AND HEATING MEANS FOR HEATING SAID MASS TO A TEMPERATURE ABOVE THAT AT WHICH SAID SULPHATE UNDERGOES CONVERSION FROM A FIRST TO A SECOND CRYSTAL FROM BUT BELOW THE MELTING POINT THEREOF.
Claim 2
Dependent Claim
99 words
A FOOD COOKING COMPRISING IN COMBIBATION A PLATEN COMPOUND ESSENTIALLY OF HEAT CONDUCTIVE MATERIAL RESISTANT TO COOKING TEMPERATURES AND PRESENTING A COOKING SURFACE FOR DIRECT CONTACT, WITH THE SURFACE OF AN ARTICLE COMPRISING FOOR TO BE COOLED, A MASS ESSENTIALLY COMPRISING ANHYDROUS SODIUM SULPHATE DISPOSED IN DIRECT HEAT EXCHANGE RELATION WITH THE OPPOSITE SURFACE OF SAID PLATEN SUBSTANTIALLY THROUGHOUT THE AREA DIRECTLY OPPOSITE TO SAID COOLING SURFACE, AND HEATING MEANS FOR HEATING SAID MASS TO A TEMPERATURE ABOVE THAT AT WHICH SAID SULPHATE UNDERGOES CONVERSION FROM A FIRST TO A SECOND CRYSTAL FROM BUT BELOW THE MELTING POINT THEREOF.
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) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |