Patent US3178971A successfully refreshed from Google Patents.
US3178971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Socket wrench
Assignee: CHICAGO SPECIALTY Manufacturing Co
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Filing: 1963-09-27
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Granted: 1965-04-20
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Expires: 1983-09-27
Abstract
No abstract record available.
Inventors
- 👤 Bachli Herman
- 👤 Eugene B Shapiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:31
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/08; B25B23/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
IN A SOCKET WRENCH, A SHANK HAVING A HANDLE AT ONE END THEREOF AND A SOCKET MEMBER AT THE OTHER END OF SAID SHANK AND HAVING THEREIN A SCREW-HEAD RECEIVING SOCKET IN AXIAL ALINEMENT WITH THE SHANK, A KEEPER MEMBER PIVOTALLY SECURED TO SAID SHANK ADJACENT SAID SOCKET MEMBER, SAID KEEPER MEMBER HAVING AT ITS FORWARD END MEANS ENGAGING THE SCREW-HEAD, FIRST SPRING MEANS POSITIONED BETWEEN SAID SHANK AND SAID KEEPER MEMBER AND OPERATING AGAINST SAID KEEPER MEMBER FOR URGING SAID KEEPER MEMBER IN PIVOTED POSITION SO THAT SAID KEEPER MEMBER IS URGED TO A PIVOT POSITION AWAY FROM SAID SOCKET MEMBER, A SLEEVE SLIDABLY SUPPORTED ON SAID SHANK AND ENGAGING SAID KEEPER MEMBER, SECOND SPRING MEANS OPERATING AGAINST SAID SLEEVE FOR NORMALLY URGING SAID SLEEVE FORWARDLY TO PIVOT THE KEEPER TOWARDS SAID SOCKET MEMBER AND OVERCOME THE FORCE OF SAID FIRST SPRING MEANS, SAID SLEEVE WHEN MANUALLY RETRACTED AGAINST THE FORCE OF SAID SECOND SPRING MEANS PERMITTING SAID FIRST SPRING MEANS TO PIVOT SAID KEEPER AWAY FROM SAID SOCKET MEMBER.
Claim 2
Dependent Claim
171 words
IN A SOCKET WRENCH, A SHANK HAVING A HANDLE AT ONE END THEREOF AND A SOCKET MEMBER AT THE OTHER END OF SAID SHANK AND HAVING THEREIN A SCREW-HEAD RECEIVING SOCKET IN AXIAL ALINEMENT WITH THE SHANK, A KEEPER MEMBER PIVOTALLY SECURED TO SAID SHANK ADJACENT SAID SOCKET MEMBER, SAID KEEPER MEMBER HAVING AT ITS FORWARD END MEANS ENGAGING THE SCREW-HEAD, FIRST SPRING MEANS POSITIONED BETWEEN SAID SHANK AND SAID KEEPER MEMBER AND OPERATING AGAINST SAID KEEPER MEMBER FOR URGING SAID KEEPER MEMBER IN PIVOTED POSITION SO THAT SAID KEEPER MEMBER IS URGED TO A PIVOT POSITION AWAY FROM SAID SOCKET MEMBER, A SLEEVE SLIDABLY SUPPORTED ON SAID SHANK AND ENGAGING SAID KEEPER MEMBER, SECOND SPRING MEANS OPERATING AGAINST SAID SLEEVE FOR NORMALLY URGING SAID SLEEVE FORWARDLY TO PIVOT THE KEEPER TOWARDS SAID SOCKET MEMBER AND OVERCOME THE FORCE OF SAID FIRST SPRING MEANS, SAID SLEEVE WHEN MANUALLY RETRACTED AGAINST THE FORCE OF SAID SECOND SPRING MEANS PERMITTING SAID FIRST SPRING MEANS TO PIVOT SAID KEEPER AWAY FROM SAID SOCKET MEMBER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |