Patent US2859640A successfully refreshed from Google Patents.
US2859640A
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Fluid pressure actuator with unidirectional locking means and manual overdrive
Assignee: Motors Liquidation Co
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Filing: 1955-12-12
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Granted: 1958-11-11
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Expires: 1975-12-12
Abstract
No abstract record available.
Inventors
- 👤 Howard M Geyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:04
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/20; F15B15/26; F15B15/262; F15B15/264; F15B13/00; F15B13/10; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F15B15/08; F15B15/14; F15B2015/1495; F16H2025/2062; F16H2025/209; F16H25/24; F16H25/2454
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) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |