Patent US2478481A successfully refreshed from Google Patents.
US2478481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic motor of the wobble plate type
Assignee: Individual
•
Filing: 1945-03-22
•
Granted: 1949-08-09
•
Expires: 1965-03-22
Abstract
No abstract record available.
Inventors
- 👤 Raymond C Griffith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:21
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/46; F16H61/472; F03; F03C; F03C1/00; F03C1/02; F03C1/06; F03C1/0636; F03C1/0678; F03C1/0686; F16H61/42
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE21758E
Cited
GB190910108A
Cited
US1165825A
Cited
US1273618A
Cited
GB181565A
Cited
US1840866A
Cited
US1624151A
Cited
US1734816A
Cited
GB303215A
Cited
US2129886A
Cited
US2299233A
Cited
US2392980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |