US3101707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food heating devices
Assignee: Individual
•
Filing: 1960-02-18
•
Granted: 1963-08-27
•
Expires: 1980-02-18
Abstract
No abstract record available.
Inventors
- 👤 Edward C Ryan
- 👤 Raymond E Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:52
CPC Classifications
A; A47; A47J; A47J36/00; A47J36/24; A47J36/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
FOR USE IN THE HEATING FOOD, THE COMBINATION OF A RECEPTACLE FOR CONTAINING THE FOOD, A DRY CHEMICAL COMPOSITION ADAPTED IN THE PRESENCE OF WATER TO REACT EXOTHERMICALLY AND TO EMIT STEAM, SAID CHEMICAL COMPOSITION BEING SO CONSTITUTED THAT SAID STEAM IS FREE OF ADULTERANTS IN SUFFICIENT QUANTITY TO CONTAMINATE THE FOOD, MEANS FOR SUPPORTING AND CONFINING SAID COMPOSITION BENEATH THE BOTTOM OF THE RECEPTACLE AND FOR FORMING A PASSAGE FOR DIRECTING STEAM GENERATED BY SAID COMPOSITION INTO SAID RECEPTACLE TO HEAT THE FOOD THEREIN BY DIRECT EXPOSURE TO A SURFACE OF THE FOOD, SAID PASSAGE COMPRISING AS A WELL THEREOF A SUBSTANTIAL PART OF THE WALL AREA OF SAID RECEPTACLE THAT IS IN CONTACT WITH THE FOOD SO THAT SAID WALL AREA IS HEATED BY STEAM FLOWING THROUGH SAID PASSAGE.
Claim 2
Dependent Claim
131 words
FOR USE IN THE HEATING FOOD, THE COMBINATION OF A RECEPTACLE FOR CONTAINING THE FOOD, A DRY CHEMICAL COMPOSITION ADAPTED IN THE PRESENCE OF WATER TO REACT EXOTHERMICALLY AND TO EMIT STEAM, SAID CHEMICAL COMPOSITION BEING SO CONSTITUTED THAT SAID STEAM IS FREE OF ADULTERANTS IN SUFFICIENT QUANTITY TO CONTAMINATE THE FOOD, MEANS FOR SUPPORTING AND CONFINING SAID COMPOSITION BENEATH THE BOTTOM OF THE RECEPTACLE AND FOR FORMING A PASSAGE FOR DIRECTING STEAM GENERATED BY SAID COMPOSITION INTO SAID RECEPTACLE TO HEAT THE FOOD THEREIN BY DIRECT EXPOSURE TO A SURFACE OF THE FOOD, SAID PASSAGE COMPRISING AS A WELL THEREOF A SUBSTANTIAL PART OF THE WALL AREA OF SAID RECEPTACLE THAT IS IN CONTACT WITH THE FOOD SO THAT SAID WALL AREA IS HEATED BY STEAM FLOWING THROUGH SAID PASSAGE.
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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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |