Patent US2948263A successfully refreshed from Google Patents.
US2948263A
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US
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Propeller torque unit construction
Assignee: Motors Liquidation Co
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Filing: 1958-05-19
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Granted: 1960-08-09
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Expires: 1978-05-19
Abstract
No abstract record available.
Inventors
- 👤 Darrell E Royer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:01
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/068; B; B64; B64C; B64C11/00; B64C11/30; B64C11/38; B64C11/385; B64C11/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |