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US3214669A
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Overload shut-off device
Assignee: Ajem Laboratories Inc
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Filing: 1962-03-20
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Granted: 1965-10-26
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Expires: 1982-03-20
Abstract
No abstract record available.
Inventors
- 👤 Waldemar F Hackethal
- 👤 Umbricht Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:42
CPC Classifications
G; G05; G05G; G05G15/00; G05G15/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
AN OVERLOAD SHUT-OFF DEVICE FOR A POWER-OPERATED MACHINE HAVING A CRANK DRIVE COMPRISING A CRANK MOUNTED ON THE END OF A DRIVESHAFT AND SLIDABLE SUBSTANTIALLY PERPENDICULARLY TO THE AXIS THEREOF, A RING CONNECTED TO SAID SHAFT FOR SWINGING ON AN AXIS NORMAL TO THE AXIS OF ROTATION OF SAID SHAFT, A SHEAR PIN FIXEDLY HOLDING SAID RING
References Cited (Backward Citations)
US2022007A
Cited
US2037260A
Cited
US2062905A
Cited
US2147220A
Cited
US2260769A
Cited
US2721301A
Cited
US2628337A
Cited
US2647965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |