Patent US3381622A successfully refreshed from Google Patents.
US3381622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pump and motor
Assignee: Individual
•
Filing: 1966-01-19
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Granted: 1968-05-07
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Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Wilcox Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:55
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)
US1749058A
Cited
US1749121A
Cited
US2159941A
Cited
GB489955A
Cited
US2600632A
Cited
US2631544A
Cited
US2632398A
Cited
US3025802A
Cited
US3119345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |