Patent US2551836A successfully refreshed from Google Patents.
US2551836A
Expired / Lapsed
US
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Regulator
Assignee: Republic Aviation Corp
•
Filing: 1945-06-29
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Granted: 1951-05-08
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Expires: 1965-06-29
Abstract
No abstract record available.
Inventors
- 👤 Raymond P Gendreau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:21
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/022; F02M25/0221; F02M25/0225; F02M25/025; F02M25/028; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/18; F16K15/182; F16K15/1825; F16K2200/00; F16K2200/30; F16K2200/302; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2703; Y10T137/7722; Y10T137/7837; Y10T137/7876; Y10T137/7904; Y10T137/7905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1935544A
Cited
US2157089A
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US2191319A
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US2170530A
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US2189210A
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US2299079A
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US2318337A
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US2320686A
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US2406973A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |