US3514238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder for fluid pump motor and the like and method of making
Assignee: Master Power Inc
•
Filing: 1968-09-16
•
Granted: 1970-05-26
•
Expires: 1988-09-16
Abstract
No abstract record available.
Inventors
- 👤 Stanley K Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:19
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/10; F01C21/104; F01C21/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB394495A
Cited
FR855672A
Cited
US2487449A
Cited
US2614058A
Cited
US2747616A
Cited
US2843153A
Cited
US2961903A
Cited
US2925786A
Cited
US3417664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |