US2922397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable stroke reciprocatory fluid pressure motor
Assignee: Individual
•
Filing: 1957-07-10
•
Granted: 1960-01-26
•
Expires: 1977-07-10
Abstract
No abstract record available.
Inventors
- 👤 Arnt U Haanes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:15
CPC Classifications
F; F03; F03C; F03C1/00; F03C1/08; F03C1/10; F15; F15B; F15B15/00; F15B15/20; F15B15/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1828976A
Cited
US2428493A
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US2397106A
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US2493602A
Cited
US2646074A
Cited
US2596471A
Cited
US2719510A
Cited
US2742027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |