Patent US5708482A successfully refreshed from Google Patents.
Patent US2748846A successfully refreshed from Google Patents.
US2748846A
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Combustion safeguard apparatus
Assignee: Honeywell Inc
•
Filing: 1952-01-25
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Granted: 1956-06-05
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Expires: 1972-01-25
Abstract
No abstract record available.
Inventors
- 👤 James W Smith
- 👤 Frederick C Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:39
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/022; F23N2227/00; F23N2227/36; F23N2229/00; F23N2229/12; F23N2229/14; F23N5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2302554A
Cited
US2352143A
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US2304641A
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US2291385A
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US2579884A
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US2632102A
Cited
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 |