Patent US2525498A successfully refreshed from Google Patents.
US2525498A
Expired / Lapsed
US
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Radial pump or hydraulic motor
Assignee: Vinters Armstrongs Ltd
•
Filing: 1946-02-26
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Granted: 1950-10-10
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Expires: 1966-02-26
Abstract
No abstract record available.
Inventors
- 👤 Naylor Joshua Challiner
- 👤 Fieldhouse John Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:21
CPC Classifications
F; F01; F01B; F01B13/00; F01B13/04; F01B13/06; F01B13/061; F01B1/00; F01B1/06; F01B1/0675; F01B1/0686; F01B1/0689; F01B3/00; F01B3/0082; F01B3/0085; F03; F03C; F03C1/00; F03C1/02; F03C1/04; F03C1/0403; F03C1/0435; F03C1/0444
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB124069A
Cited
US2168658A
Cited
US2241701A
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US2379546A
Cited
US2273468A
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US2397314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |