US2643613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic pump
Assignee: Lucas Support Services Ltd
•
Filing: 1950-05-31
•
Granted: 1953-06-30
•
Expires: 1970-05-31
Abstract
No abstract record available.
Inventors
- 👤 Westbury Roy
- 👤 Bray Peter Eric
- 👤 Packenham Edward William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:09
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/02; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1878736A
Cited
US1978480A
Cited
US1909972A
Cited
US2130299A
Cited
US2165938A
Cited
US2295833A
Cited
US2432553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |