US2335567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible vane motor
Assignee: Oilgear Co
•
Filing: 1942-05-20
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Granted: 1943-11-30
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Expires: 1962-05-20
Abstract
No abstract record available.
Inventors
- 👤 Kay Edgar Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:28
CPC Classifications
F; F03; F03C; F03C2/00; F03C2/30; F01; F01C; F01C1/00; F01C1/30; F01C1/34; F01C1/344; F01C21/00; F01C21/18; F04; F04C; F04C2/00; F04C2/30; F04C2/34; F04C2/344
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) | 1946-11-29 | 1947-05-31 | 1947-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-29 | 1951-05-31 | 1951-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-29 | 1955-05-31 | 1955-11-30 | $7700.00 | Window Closed / Lapsed |