US3043233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic pump face type valve plate auto balancing
Assignee: Houdaille Industries Inc
•
Filing: 1958-03-20
•
Granted: 1962-07-10
•
Expires: 1978-03-20
Abstract
No abstract record available.
Inventors
- 👤 Rumsey Rollin Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:58
CPC Classifications
F; 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)
US2733666A
Cited
US2484337A
Cited
US2525498A
Cited
US2430764A
Cited
US2608934A
Cited
US2620736A
Cited
US2845941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |