US2767036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shift bearing for variable pitch propeller drive
Assignee: Individual
•
Filing: 1952-07-07
•
Granted: 1956-10-16
•
Expires: 1972-07-07
Abstract
No abstract record available.
Inventors
- 👤 Irving R Byron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:29
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; B; B63; B63H; B63H3/00; B63H3/02; B63H3/04; B63H20/00; F16C2208/00; F16C2208/10; F16C2208/20; F16C2208/60; F16C2208/80; F16C2208/90; F16C2326/00; F16C2326/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190120079A
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US897330A
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US1055455A
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US1415756A
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US1407272A
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US1937112A
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US1913802A
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US2253316A
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US2341207A
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US2516966A
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US2525648A
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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) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |