Patent US2682256A successfully refreshed from Google Patents.
US2682256A
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Hydraulic servomotor with an integral solenoid valve
Assignee: Individual
•
Filing: 1950-08-31
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Granted: 1954-06-29
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Expires: 1970-08-31
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:44
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/20; F15B15/202; E; E05; E05F; E05F15/00; E05F15/50; E05F15/57; F15B13/00; F15B13/02; F15B13/04; F15B13/044; F15B15/08; F15B15/14; F15B15/1423; F15B15/1433; F15B15/149; F15B13/0401; F15B2013/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2311864A
Cited
US2299695A
Cited
GB570546A
Cited
US2468943A
Cited
US2479398A
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US2586683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |