Patent US2544853A successfully refreshed from Google Patents.
US2544853A
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Throttle reversing linkage
Assignee: Northrop Grumman Corp
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Filing: 1949-04-09
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Granted: 1951-03-13
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Expires: 1969-04-09
Abstract
No abstract record available.
Inventors
- 👤 Charles E Oates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:02
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/305; G; G05; G05G; G05G9/00; G05G9/08; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20396; Y10T74/20402; Y10T74/2042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1527247A
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US2154887A
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US2179492A
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US2289654A
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US2406872A
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US2430363A
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US2446700A
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US2454485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |