US2918012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self regulating pump
Assignee: Recherches Etudes Production REP SARL
•
Filing: 1956-05-17
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Granted: 1959-12-22
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Expires: 1976-05-17
Abstract
No abstract record available.
Inventors
- 👤 Lucien Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:01
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/22; F04B49/24; F04B1/00; F04B1/12; F04B1/14; F04B1/141; F04B1/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732805A
Cited
US1050779A
Cited
US2448347A
Cited
US2439879A
Cited
US2517008A
Cited
FR1104109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |