Patent US4809276A successfully refreshed from Google Patents.
Patent US3527186A successfully refreshed from Google Patents.
US3527186A
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Variable rate electrohydraulic actuator systems,particularly for ship's steering and/or propeller pitch control
Assignee: PROPULSION SYSTEMS Inc
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Filing: 1968-06-14
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Granted: 1970-09-08
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Expires: 1988-06-14
Abstract
No abstract record available.
Inventors
- 👤 Peder K Wennberg
- 👤 Uffe Hornsyld
- 👤 Francis West Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:01
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/03; B; B63; B63H; B63H25/00; B63H25/06; B63H25/08; B63H25/14; B63H25/26; B63H25/28; B63H25/30; G; G05; G05D; G05D1/00; G05D1/02; G05D1/0206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |