US2952245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic power unit control system
Assignee: GURRIES Manufacturing CO
•
Filing: 1959-07-13
•
Granted: 1960-09-13
•
Expires: 1979-07-13
Abstract
No abstract record available.
Inventors
- 👤 Curlett John
- 👤 Raymond A Gurries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:40
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/84; E02F3/844
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US588946A
Cited
US2275963A
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US2367115A
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US2623358A
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US2892310A
Cited
US2778130A
Cited
US2902979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |