US2526835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic motor control
Assignee: HPM Development Corp
•
Filing: 1946-10-18
•
Granted: 1950-10-24
•
Expires: 1966-10-18
Abstract
No abstract record available.
Inventors
- 👤 Warren R Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:13
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/46; F16H61/47; F16H61/42; F16H61/423
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB181565A
Cited
US2272684A
Cited
US2082473A
Cited
US2343386A
Cited
US2413301A
Cited
US2223838A
Cited
US2414197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |