US3236448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bake and broil burner fuel control systems
Assignee: Robertshaw Controls Co
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Filing: 1961-12-28
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Granted: 1966-02-22
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Expires: 1981-12-28
Abstract
No abstract record available.
Inventors
- 👤 Willson James Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:48
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N1/00; F23N1/005; F23N1/007; F23N5/20; F23N5/203; F23N2227/00; F23N2227/02; F23N2227/22; F23N2235/00; F23N2235/12; F23N2235/14; F23N2235/18; F23N2235/24; F23N2237/00; F23N2237/02; F23N2237/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN COMBINATION, A SOURCE OF FUEL, A BAKE BRUNER HAVING A PILOT BURNER, A BROIL BURNER HAVING A PILOT BURNER, AND A SELECTOR VALVE BEING MOVABLE IN ONE DIRECTION FROM AN OFF POSITION THEOUGH A BAKE RANGE TO A BROIL POSITION, SAID SELECTOR VALVE SELECTIVELY INTERCONNECTING SAID SOURCE OF FUEL TO ONE OF SAID BAKE AND BROIL BURNERS, SAID SELECTOR VALVE ALSO SELECTING THE DESIRED TEMPERATURE SETTING FOR SAID BAKE BURNER WHEN SAID SELECTOR
Claim 2
Dependent Claim
74 words
IN COMBINATION, A SOURCE OF FUEL, A BAKE BRUNER HAVING A PILOT BURNER, A BROIL BURNER HAVING A PILOT BURNER, AND A SELECTOR VALVE BEING MOVABLE IN ONE DIRECTION FROM AN OFF POSITION THEOUGH A BAKE RANGE TO A BROIL POSITION, SAID SELECTOR VALVE SELECTIVELY INTERCONNECTING SAID SOURCE OF FUEL TO ONE OF SAID BAKE AND BROIL BURNERS, SAID SELECTOR VALVE ALSO SELECTING THE DESIRED TEMPERATURE SETTING FOR SAID BAKE BURNER WHEN SAID SELECTOR
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |