Patent US3564955A successfully refreshed from Google Patents.
US3564955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High torque wrench assembly
Assignee: Individual
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Filing: 1969-02-05
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Granted: 1971-02-23
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Expires: 1989-02-05
Abstract
Abstract THE WRENCH ASSEMBLY IS FOR VERY HIGH TORQUE APPLICATIONS AND USES A WORM TYPE MECHANISM ADAPTED TO BE POWER DRIVEN. THE BODY OF THE WRENCH HAS A SOCKET TO RECEIVE A LOCKING BAR OR STABILIZING BAR TO HOLD THE WRENCH AGAINST ROTATION, AND THE WRENCH BODY MAY BE UNITARY OF A HINGED OPENING TYPE. A SPECIAL EXTENSION DRIVING ELEMENT, WHICH FITS INTO THE WRENCH INCORPORATES A SPECIAL TORSION TYPE TORQUE INDICATOR PARTICULARLY SUITED TO THE HIGH TORQUE RANGE OF THE WRENCH.
Inventors
- 👤 Clarence F Batchelder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:15
CPC Classifications
B; B25; B25B; B25B21/00; B25B13/00; B25B13/02; B25B13/04; B25B23/00; B25B23/14; B25B23/142; B25B23/1422; B25B23/1427
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |