US3382769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital hydraulic actuator
Assignee: United States Department of the Navy
•
Filing: 1966-04-04
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Granted: 1968-05-14
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Expires: 1986-04-04
Abstract
No abstract record available.
Inventors
- 👤 Jerry W Raider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:24
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; F15B11/12; F15B11/127; F15B11/128; F15B11/13; F15B13/00; F15B13/02; F15B13/04; F15B13/0401; F15B2013/0414
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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |