Patent US2889816A successfully refreshed from Google Patents.
US2889816A
Expired / Lapsed
US
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Hydraulic rotary actuator
Assignee: Individual
•
Filing: 1954-02-08
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Granted: 1959-06-09
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Expires: 1974-02-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph Loecy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:23
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2050421A
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US1989387A
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Cited
US2370137A
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US2456361A
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US2742021A
Cited
US2774337A
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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) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |