US2942556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pump
Assignee: Individual
•
Filing: 1956-04-09
•
Granted: 1960-06-28
•
Expires: 1976-04-09
Abstract
No abstract record available.
Inventors
- 👤 William H Growall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:29
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US976565A
Cited
US1480436A
Cited
US1697487A
Cited
US1743916A
Cited
GB522743A
Cited
US2347386A
Cited
GB572053A
Cited
GB612573A
Cited
US2604077A
Cited
US2496219A
Cited
US2765748A
Cited
US2707920A
Cited
US2826150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |