Patent US2942673A successfully refreshed from Google Patents.
US2942673A
Expired / Lapsed
US
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Propeller control
Assignee: Motors Liquidation Co
•
Filing: 1957-11-22
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Granted: 1960-06-28
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Expires: 1977-11-22
Abstract
No abstract record available.
Inventors
- 👤 David L Bogue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:11
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/32; B64C11/325
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2667935A
Cited
US2605849A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |