US2656796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unidirectional, rotary variable delivery fluid pump
Assignee: Individual
•
Filing: 1947-09-25
•
Granted: 1953-10-27
•
Expires: 1967-09-25
Abstract
No abstract record available.
Inventors
- 👤 Lawrence M Garner
- 👤 Edward S Mcconnohie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:22
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/18; F04C14/22; F04C14/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2451666A
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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) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |