US2924985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible coupling v-drive
Assignee: AMERICAN FLEXIBLE COUPLING Co
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Filing: 1955-10-24
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Granted: 1960-02-16
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Expires: 1975-10-24
Abstract
No abstract record available.
Inventors
- 👤 John H Crankshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:57
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/18; F16D3/185; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19237; Y10T74/19377; Y10T74/19414; Y10T74/19484; Y10T74/19493; Y10T74/19642; Y10T74/1966
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |