Patent US3375816A successfully refreshed from Google Patents.
US3375816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooking apparatus with refractory liner
Assignee: Babcock and Wilcox Co
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Filing: 1965-02-01
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Granted: 1968-04-02
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Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 Jr George R Chesnut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:07
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/07; A47J37/0704
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN DOMESTIC COOKING AND HEATING APPARATUS, THE COMBINATION OF: A FIREPOT ADAPTED TO CONTAIN AN OPEN FIRE OF SOLID FUEL, AND INCLUDING AN UPWARDLY FACING BOTTOM SURFACE, A GRILL FOR SUPPORTING FOOD TO BE COOKED OVER THE FIRE IN SAID FIREPOT, AND A REMOVABLE BODY OF FIBROUS REFRACTORY MATERIAL RESTING ON SAID BOTTOM SURFACE AND CAPABLE OF HOLDING A SUPPLY OF LIQUID KINDLING FUEL FOR FIRST IGNITING SAID SOLID FUEL AND NEXT INSULATING SAID BOTTOM SURFACE FROM THE HEAT OF THE BURNING SOLID FUEL, AT LEAST ONE APERTURE FORMED IN SAID FIREPOT TO PROVIDE DRAFT FOR THE FIRE, AND SAID BODY OF REFRACTORY MATERIAL COVERS SAID APERTURE.
Claim 2
Dependent Claim
107 words
IN DOMESTIC COOKING AND HEATING APPARATUS, THE COMBINATION OF: A FIREPOT ADAPTED TO CONTAIN AN OPEN FIRE OF SOLID FUEL, AND INCLUDING AN UPWARDLY FACING BOTTOM SURFACE, A GRILL FOR SUPPORTING FOOD TO BE COOKED OVER THE FIRE IN SAID FIREPOT, AND A REMOVABLE BODY OF FIBROUS REFRACTORY MATERIAL RESTING ON SAID BOTTOM SURFACE AND CAPABLE OF HOLDING A SUPPLY OF LIQUID KINDLING FUEL FOR FIRST IGNITING SAID SOLID FUEL AND NEXT INSULATING SAID BOTTOM SURFACE FROM THE HEAT OF THE BURNING SOLID FUEL, AT LEAST ONE APERTURE FORMED IN SAID FIREPOT TO PROVIDE DRAFT FOR THE FIRE, AND SAID BODY OF REFRACTORY MATERIAL COVERS SAID APERTURE.
References Cited (Backward Citations)
CA610978A
Cited
US1042273A
Cited
US1461496A
Cited
US2114698A
Cited
US2120683A
Cited
US2419344A
Cited
US3151614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |