US2749447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel burner control apparatus
Assignee: Honeywell Inc
•
Filing: 1952-01-25
•
Granted: 1956-06-05
•
Expires: 1972-01-25
Abstract
No abstract record available.
Inventors
- 👤 Myron R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:03
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/08; F23N5/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2245365A
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US2304641A
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US2372419A
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US2383984A
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US2499921A
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US2499996A
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US2632102A
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US2692962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |