Patent US3132730A successfully refreshed from Google Patents.
US3132730A
Expired / Lapsed
US
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Torque disconnect safety coupling
Assignee: Individual
•
Filing: 1960-08-31
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Granted: 1964-05-12
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Expires: 1980-08-31
Abstract
No abstract record available.
Inventors
- 👤 Josef Y Dahlstrand
- 👤 Jr Josef Y Dahlstrand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:27
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/202; F16D43/2028; F16D2300/00; F16D2300/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2412630A
Cited
US716857A
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US1579057A
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US2045572A
Cited
US2137417A
Cited
US2102002A
Cited
US2753029A
Cited
US2781118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |