Patent US2610677A successfully refreshed from Google Patents.
US2610677A
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US
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Fuel burner safety control apparatus
Assignee: Honeywell Inc
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Filing: 1948-08-23
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Granted: 1952-09-16
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Expires: 1968-08-23
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Lange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:53
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/20; F23N5/203; F23N5/02; F23N5/12; F23N5/123; F23N2229/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB229019A
Cited
US2106249A
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US2170497A
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US2074637A
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US2351277A
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US2368893A
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US2385530A
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US2437576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |