US3142748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric cooking ranges
Assignee: WILLIAM GREEN AND CO ECCLESFIELD Ltd
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Filing: 1962-04-11
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Granted: 1964-07-28
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Expires: 1982-04-11
Abstract
No abstract record available.
Inventors
- 👤 Ernest Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:47
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/32; F24C15/322; F24C15/325; F24C15/10; F24C15/101; F24C15/102; F24H; F24H3/00; F24H3/02; F24H3/04; F24H3/0405
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
AN ELECTRIC COOKING RANGE COMPRISING AT LEAST ONE OVEN WITH A SIMMERING SECTION OF A HOT PLATE ABOVE IT AND SPACED FROM IT TO PROVIDE A TOP FLUE, TOGETHER WITH EXTERNALLY INSULATED FLUES DOWN THE END AND UNDER THE BOTTOM OF THE OVEN IN CONTINUATION OF THE TOP FLUE, THERE BEING A BOILING SECTION OF THE HOT PLATE BELOW WHICH THERE IS NO OVEN, AND ELECTRIC HEATING ELEMENTS DISPOSED CLOSE TO THE UNDERSURFACE OF THE BOILING SECTION AS TO EFFECT DIRECT HEATING OF THAT SECTION, AND A FAN TO FORCE AIR IN CLOSED CIRCUIT OVER THE ELEMENTS AND THENCE INTO THE TOP FLUE BELOW THE CONTINUING SIMMERING SECTION OF THE HOT PLATE AND ROUND THE FLUES OF THE OVEN BELOW THE SIMMERING SECTION.
Claim 2
Dependent Claim
123 words
AN ELECTRIC COOKING RANGE COMPRISING AT LEAST ONE OVEN WITH A SIMMERING SECTION OF A HOT PLATE ABOVE IT AND SPACED FROM IT TO PROVIDE A TOP FLUE, TOGETHER WITH EXTERNALLY INSULATED FLUES DOWN THE END AND UNDER THE BOTTOM OF THE OVEN IN CONTINUATION OF THE TOP FLUE, THERE BEING A BOILING SECTION OF THE HOT PLATE BELOW WHICH THERE IS NO OVEN, AND ELECTRIC HEATING ELEMENTS DISPOSED CLOSE TO THE UNDERSURFACE OF THE BOILING SECTION AS TO EFFECT DIRECT HEATING OF THAT SECTION, AND A FAN TO FORCE AIR IN CLOSED CIRCUIT OVER THE ELEMENTS AND THENCE INTO THE TOP FLUE BELOW THE CONTINUING SIMMERING SECTION OF THE HOT PLATE AND ROUND THE FLUES OF THE OVEN BELOW THE SIMMERING SECTION.
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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |