US3055416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame detector arrangements
Assignee: Babcock and Wilcox Co
•
Filing: 1959-12-29
•
Granted: 1962-09-25
•
Expires: 1979-12-29
Abstract
No abstract record available.
Inventors
- 👤 David M Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:12
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/08; F23N5/085; F23N2229/00; F23N2229/16; F23N2237/00; F23N2237/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2007714A
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US2047445A
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US2335655A
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US2282551A
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US2295045A
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US2304641A
Cited
US2360166A
Cited
US2404903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |