Patent US3268967A successfully refreshed from Google Patents.
US3268967A
Expired / Lapsed
US
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Chain hook attachment
Assignee: Individual
•
Filing: 1964-10-19
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Granted: 1966-08-30
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Expires: 1984-10-19
Abstract
No abstract record available.
Inventors
- 👤 Edgar A Jordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:04
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/22; B66C1/34; B66C1/36; F; F16; F16B; F16B45/00; F16B45/02; F16B45/022; F16B45/036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
IN COMBINATION WITH A HOOK MEMBER INCLUDING AN ELONGATED SHANK TERMINATING AT ONE END IN A BACKTURNED HOOK DEFINING A THROAT OPENING BETWEEN THE FREE END PORTION OF SAID HOOK AND SAID SHANK, AN ATTACHMENT FOR PREVENTING ACCIDENTAL WITHDRAWAL OF A MEMBER FROM SAID HOOK THROUGH SAID THROAT, SAID HOOK MEMBER DEFINING A MEDIAL PLANE, SAID ATTACHMENT INCLUDING A RESILIENT GENERALLY U-SHAPED MEMBER INCLUDING A PAIR OF ARMS INTERCONNECTED AT ONE PAIR OF CORRESPONDING ENDS BY MEANS OF A BIGHT PORTION, MEANS SECURING THE OTHER PAIR OF CORRESPONDING ENDS OF SAID ARMS TO OPPOSITE SIDES OF THE END OF SAID SHANK REMOTE FROM SAID BACKTURNED HOOK WITH THE MEDIAL PLANES OF SAID HOOK MEMBER AND SAID U-SHAPED MEMBER GENERALLY PARALLEING EACH OTHER AND THE CLOSED END OF SAID U-SHAPED MEMBER SLIGHTLY LATERALLY DEFLECTED BY AND TO ONE SIDE OF THE PORTIONS OF SAID HOOK MEMBER DEFINING SAID THROAT AND DISPOSED ALONGSIDE SAID PORTIONS WITH AT LEAST PORTIONS OF SAID BIGHT PORTION EXTENDING AT LEAST SUBSTANTIALLY ACROSS THE SAID THROAT AND SUBSTANTIALLY BLOCKING THE LATTER.
Claim 2
Dependent Claim
174 words
IN COMBINATION WITH A HOOK MEMBER INCLUDING AN ELONGATED SHANK TERMINATING AT ONE END IN A BACKTURNED HOOK DEFINING A THROAT OPENING BETWEEN THE FREE END PORTION OF SAID HOOK AND SAID SHANK, AN ATTACHMENT FOR PREVENTING ACCIDENTAL WITHDRAWAL OF A MEMBER FROM SAID HOOK THROUGH SAID THROAT, SAID HOOK MEMBER DEFINING A MEDIAL PLANE, SAID ATTACHMENT INCLUDING A RESILIENT GENERALLY U-SHAPED MEMBER INCLUDING A PAIR OF ARMS INTERCONNECTED AT ONE PAIR OF CORRESPONDING ENDS BY MEANS OF A BIGHT PORTION, MEANS SECURING THE OTHER PAIR OF CORRESPONDING ENDS OF SAID ARMS TO OPPOSITE SIDES OF THE END OF SAID SHANK REMOTE FROM SAID BACKTURNED HOOK WITH THE MEDIAL PLANES OF SAID HOOK MEMBER AND SAID U-SHAPED MEMBER GENERALLY PARALLEING EACH OTHER AND THE CLOSED END OF SAID U-SHAPED MEMBER SLIGHTLY LATERALLY DEFLECTED BY AND TO ONE SIDE OF THE PORTIONS OF SAID HOOK MEMBER DEFINING SAID THROAT AND DISPOSED ALONGSIDE SAID PORTIONS WITH AT LEAST PORTIONS OF SAID BIGHT PORTION EXTENDING AT LEAST SUBSTANTIALLY ACROSS THE SAID THROAT AND SUBSTANTIALLY BLOCKING THE LATTER.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |