Patent US2112554A successfully refreshed from Google Patents.
US2112554A
Expired / Lapsed
US
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Automatic control for fuel burning apparatus
Assignee: Bryant Heater and Manufacturing Co
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Filing: 1936-07-17
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Granted: 1938-03-29
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Expires: 1956-07-17
Abstract
No abstract record available.
Inventors
- 👤 Vilynn O Beam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:58
CPC Classifications
F; F23; F23L; F23L11/00; F23L11/005; F23D; F23D14/00; F23D14/46; F23D14/60; F23N; F23N1/00; F23N1/06; F23N1/065; F23N5/00; F23N5/24; F23N5/245; Y; Y10; Y10T; Y10T137/00; Y10T137/1407
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-03-28 | 1941-09-27 | 1942-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-03-28 | 1945-09-27 | 1946-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-03-28 | 1949-09-27 | 1950-03-29 | $7700.00 | Window Closed / Lapsed |