Patent US3338231A successfully refreshed from Google Patents.
US3338231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas oven ignition
Assignee: Harper Wyman Co
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Filing: 1965-06-08
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Granted: 1967-08-29
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Expires: 1985-06-08
Abstract
No abstract record available.
Inventors
- 👤 Charles C Lamar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:51
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A GAS RANGE OVEN HAVING A COMPARTMENT WITH A BAKE BURNER BELOW AND A HIGH BROILER BURNER WITHIN SAID COMPARTMENT AND WHEREIN THE COMBUSTION PRODUCTS FROM THE BRAKE BURNER RISE AT LEAST TO THE LEVEL OF THE BROILER BURNER, A CONTINUOUSLY BRUNING PRIMARY AERATED PILOT BURNER IN IGNITION RELATION TO THE BROILER BURNER, A PRIMARY AIR INLET COMPARTMENT HAVING A RELATIVELY UNRESTRICTED OPENING TO THE OVEN COMPARTMENT SO AS TO BE SUBJECT TO PRESSURE FLUCTUATIONS IN THE COMPARTMENT AND HAVING ALSO RESTRICTED AIR INLET OPENINGS COMMUNICATING WITH
Claim 2
Dependent Claim
88 words
IN A GAS RANGE OVEN HAVING A COMPARTMENT WITH A BAKE BURNER BELOW AND A HIGH BROILER BURNER WITHIN SAID COMPARTMENT AND WHEREIN THE COMBUSTION PRODUCTS FROM THE BRAKE BURNER RISE AT LEAST TO THE LEVEL OF THE BROILER BURNER, A CONTINUOUSLY BRUNING PRIMARY AERATED PILOT BURNER IN IGNITION RELATION TO THE BROILER BURNER, A PRIMARY AIR INLET COMPARTMENT HAVING A RELATIVELY UNRESTRICTED OPENING TO THE OVEN COMPARTMENT SO AS TO BE SUBJECT TO PRESSURE FLUCTUATIONS IN THE COMPARTMENT AND HAVING ALSO RESTRICTED AIR INLET OPENINGS COMMUNICATING WITH
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |