Patent US2389654A successfully refreshed from Google Patents.
US2389654A
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Hydraulic motor unit
Assignee: Adel Precision Products Corp
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Filing: 1944-02-08
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Granted: 1945-11-27
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Expires: 1964-02-08
Abstract
No abstract record available.
Inventors
- 👤 Werff Jacob B Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:01
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/01; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; F02D2700/0235
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) | 1948-11-26 | 1949-05-28 | 1949-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-11-26 | 1953-05-28 | 1953-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-11-26 | 1957-05-28 | 1957-11-27 | $7700.00 | Window Closed / Lapsed |