Patent US2971857A successfully refreshed from Google Patents.
US2927672A
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Automatically releasable torque transmitting apparatus
Assignee: HENRY T M RICE
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Filing: 1957-04-15
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Granted: 1960-03-08
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Expires: 1977-04-15
Abstract
No abstract record available.
Inventors
- 👤 Banner Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:28
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732746A
Cited
GB333694A
Cited
US2127855A
Cited
US2741352A
Cited
US2750020A
Cited
US2835365A
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US2760361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |