US2925047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary hydraulic pump
Assignee: GENERAL METALS CORP
•
Filing: 1953-03-23
•
Granted: 1960-02-16
•
Expires: 1973-03-23
Abstract
No abstract record available.
Inventors
- 👤 James F Hoffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:09
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/102; F01; F01B; F01B3/00; F01B3/04; F01B3/045; F04B1/00; F04B1/12; F04B1/122; F04B1/124; F04B1/128; F04B1/14; F04B1/16; F04B1/18; F04B23/00; F04B23/04; F04B23/08; F04B23/10; F04B23/106; F04B23/14; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18024; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/18312; Y10T74/18336
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |