US2909123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic pump
Assignee: Everest and Jennings Inc
•
Filing: 1957-11-25
•
Granted: 1959-10-20
•
Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry C Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:15
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/14; F04B53/00; F04B53/10; F04B53/12; F04B53/125; F04B53/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US880019A
Cited
US1524159A
Cited
US1745024A
Cited
US2386593A
Cited
US2843046A
Cited
US2812129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |