US2761325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronizing ratio-selecting couplings of change-speed gearing
Assignee: SSS Gears Ltd
•
Filing: 1951-02-15
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Granted: 1956-09-04
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Expires: 1971-02-15
Abstract
No abstract record available.
Inventors
- 👤 Short Philip John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:13
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/02; F16D23/10; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/19274; Y10T74/19284; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2202271A
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US2505842A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |