US2742861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized variable displacement pump
Assignee: Houdaille Industries Inc
•
Filing: 1950-12-26
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Granted: 1956-04-24
•
Expires: 1970-12-26
Abstract
No abstract record available.
Inventors
- 👤 Bernard E O'connor
- 👤 Alfred G French
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:24
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)
US1943929A
Cited
US2080810A
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US2296876A
Cited
US2451279A
Cited
US2433484A
Cited
US2451666A
Cited
US2651994A
Cited
US2678607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |