US2500814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric operated clutch
Assignee: BROCKHOUSE ENGINEERING (SOUTHPORT) Ltd
•
Filing: 1947-01-25
•
Granted: 1950-03-14
•
Expires: 1967-01-25
Abstract
No abstract record available.
Inventors
- 👤 Gatiss Albert Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:03
CPC Classifications
F; F16; F16D; F16D11/00; F16D11/14; F16D27/00; F16D27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2106423A
Cited
US2226801A
Cited
US2339969A
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US2320116A
Cited
US2375783A
Cited
US2364331A
Cited
US2369843A
Cited
US2397833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |