Patent US3131687A successfully refreshed from Google Patents.
US3131687A
Expired / Lapsed
US
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Ventilating system for cooking appliance
Assignee: General Electric Co
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Filing: 1962-03-12
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Granted: 1964-05-05
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Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Ribhi M Kalla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:06
CPC Classifications
F; F24; F24F; F24F9/00; F24C; F24C15/00; F24C15/20; F24C15/2042; Y; Y10; Y10S; Y10S55/00; Y10S55/29; Y10S55/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A COOKING RANGE COMPRISING, IN COMBINATION, STRUCTURE PROVIDING A HORIZONTAL COOKING SURFACE, A PLURALITY OF COOKING UNITS ARRANGED IN AT LEAST ONE FRONT ROW ALONG SAID SURFACE, STRUCTURE PROVIDING A WALL EXTENDING UPWARDLY FROM SAID COOKING SURFACE STRUCTURE REARWARDLY OF SAID COOKING UNITS, AN AIR INLET SYSTEM EXTENDING BEHIND SAID WALL AND HAVING AIR INLET MEANS OPENLY FACING SAID COOKING SURFACE AT A LEVEL WHEREBY VAPORS RELEASED DURING COOKING OPERATIONS ON SAID UNITS CAN FLOW TO SAID AIR INLET MEANS IN A GENERALLY UPWARD AND REARWARD DIRECTION, AIR FILTERING MEANS IN SAID AIR INLET SYSTEM, A FIRST AIR DISCHARGE SYSTEM TO DISCHARGE A SHEET-LIKE FLOW OF AIR REARWARDLY OF THE FRONT OF SAID COOKING SURFACE AND MOVING FORWARDLY OF SAID WALL STRUCTURE ABOVE SAID AIR INLET MEANS AND SUBSTANTIALLY PARALLEL TO SAID COOKING SURFACE,
Claim 2
Dependent Claim
134 words
A COOKING RANGE COMPRISING, IN COMBINATION, STRUCTURE PROVIDING A HORIZONTAL COOKING SURFACE, A PLURALITY OF COOKING UNITS ARRANGED IN AT LEAST ONE FRONT ROW ALONG SAID SURFACE, STRUCTURE PROVIDING A WALL EXTENDING UPWARDLY FROM SAID COOKING SURFACE STRUCTURE REARWARDLY OF SAID COOKING UNITS, AN AIR INLET SYSTEM EXTENDING BEHIND SAID WALL AND HAVING AIR INLET MEANS OPENLY FACING SAID COOKING SURFACE AT A LEVEL WHEREBY VAPORS RELEASED DURING COOKING OPERATIONS ON SAID UNITS CAN FLOW TO SAID AIR INLET MEANS IN A GENERALLY UPWARD AND REARWARD DIRECTION, AIR FILTERING MEANS IN SAID AIR INLET SYSTEM, A FIRST AIR DISCHARGE SYSTEM TO DISCHARGE A SHEET-LIKE FLOW OF AIR REARWARDLY OF THE FRONT OF SAID COOKING SURFACE AND MOVING FORWARDLY OF SAID WALL STRUCTURE ABOVE SAID AIR INLET MEANS AND SUBSTANTIALLY PARALLEL TO SAID COOKING SURFACE,
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |