US2965038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary fuel pumps
Assignee: ZF International UK Ltd
•
Filing: 1958-05-19
•
Granted: 1960-12-20
•
Expires: 1978-05-19
Abstract
No abstract record available.
Inventors
- 👤 Purden Robert Hesketh
- 👤 Felski Kazimierz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:31
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/04; F02M37/08; F04; F04D; F04D13/00; F04D13/02; F04D13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2406947A
Cited
US2517233A
Cited
US2468187A
Cited
US2688946A
Cited
US2556435A
Cited
US2747512A
Cited
US2741990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |