Patent US2594927A successfully refreshed from Google Patents.
US2594927A
Expired / Lapsed
US
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Propeller reversing throttle
Assignee: Lockheed Martin Corp
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Filing: 1947-06-02
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Granted: 1952-04-29
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Expires: 1967-06-02
Abstract
No abstract record available.
Inventors
- 👤 Albert T Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:38
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1455431A
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US1427830A
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US1693451A
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US1694220A
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US1935620A
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US2207042A
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US2154887A
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US2216416A
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US2179492A
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US2266784A
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US2402065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |