US2678103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propeller pitch control
Assignee: Motors Liquidation Co
•
Filing: 1945-06-27
•
Granted: 1954-05-11
•
Expires: 1965-06-27
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Martin
- 👤 James R May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:20
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/38; B64C11/42; Y; Y10; Y10S; Y10S60/00; Y10S60/904; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2306953A
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US2280714A
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US2296288A
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US2307849A
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US2307102A
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US2343416A
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US2343382A
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US2361954A
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US2338483A
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US2353566A
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US2391699A
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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) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |