US2979034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic actuator with load proportional locking means
Assignee: Motors Liquidation Co
•
Filing: 1959-02-18
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Granted: 1961-04-11
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Expires: 1979-02-18
Abstract
No abstract record available.
Inventors
- 👤 Howard M Geyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:34
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/20; F15B15/26; F15B15/262; F15B15/264; 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)
US2442577A
Cited
US2688227A
Cited
US2705939A
Cited
US2891380A
Cited
US2879746A
Cited
US2859640A
Cited
US2927556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |