Patent US2764941A successfully refreshed from Google Patents.
US2764941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple pump
Assignee: RACINE HYDRAULICS AND MACHINERY Inc
•
Filing: 1953-08-21
•
Granted: 1956-10-02
•
Expires: 1973-08-21
Abstract
No abstract record available.
Inventors
- 👤 George B Miller
- 👤 Robert D Rynders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:52
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/18; F04C14/22; F04C14/223; F04C11/00; F04C11/001
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
BE504857A
Cited
US1372576A
Cited
US1736666A
Cited
US1737942A
Cited
US1858536A
Cited
US1878736A
Cited
US1893825A
Cited
US2022781A
Cited
US2130299A
Cited
US2214390A
Cited
US2307085A
Cited
US2299931A
Cited
US2324116A
Cited
US2401567A
Cited
US2411606A
Cited
US2391072A
Cited
US2557886A
Cited
US2525619A
Cited
US2600633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |