US3253662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled torque tool
Assignee: Cooper Bessemer Corp
•
Filing: 1961-10-20
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Granted: 1966-05-31
•
Expires: 1981-10-20
Abstract
No abstract record available.
Inventors
- 👤 Columbus R Sacchini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:39
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/145; B25B23/1453
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
A TOOL OF THE CLASS DESCRIBED INCLUDING IN COMBINATION A FLUID MOTOR HAVING FLUID INLET MEANS AND FLUID EXHAUST MEANS, A SPINDLE DRIVEN BY SAID MOTOR, A DRIVEN MEMBER, MEANS CONNECTING SAID SPINDLE AND DRIVEN MEMBER TOGETHER WHEREBY UPON SUFFICIENT RESISTANCE TO ROTATION BEING MET BY SAID DRIVEN MEMBER RELATIVE AXIAL MOVEMENT IS EFFECTED BETWEEN SAID DRIVEN MEMBER AND SAID SPINDLE, EXHAUST VALVE MEANS FOR OPENING AND CLOSING SAID FLUID EXHAUST MEANS, AND CONTROL MEANS ACTUATED UPON RELATIVE AXIAL MOVEMENT BETWEEN SAID DRIVEN MEMBER AND SAID SPINDLE TO EFFECT CLOSING OF SAID EXHAUST VALVE MEANS AND STOPPING OF SAID FLUID MOTOR.
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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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |