US2464975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid operated clutch
Assignee: George W Borg Corp
•
Filing: 1944-08-19
•
Granted: 1949-03-22
•
Expires: 1964-08-19
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Gibbs
- 👤 Robert E Brandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:33
CPC Classifications
B; B23; B23C; B23C9/00; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US703411A
Cited
US1254951A
Cited
US1196593A
Cited
US1249736A
Cited
GB137200A
Cited
US1444573A
Cited
US1938906A
Cited
US2113362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |