US2887093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically operated pumping apparatus
Assignee: CABOT SHOPS Inc
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Filing: 1956-10-18
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Granted: 1959-05-19
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Expires: 1976-10-18
Abstract
No abstract record available.
Inventors
- 👤 Marvin L Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:47
CPC Classifications
F; F04; F04B; F04B47/00; F04B47/02; F04B47/04; F01; F01L; F01L25/00; F01L25/02; F01L25/04; F01L25/06; F01L25/066; F04B9/00; F04B9/08; F04B9/10; F04B9/103; F04B9/107; F04B9/1073; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2048550A
Cited
US2745386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |