Patent US3337256A successfully refreshed from Google Patents.
US3337256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cargo tongs
Assignee: Individual
•
Filing: 1965-08-30
•
Granted: 1967-08-22
•
Expires: 1985-08-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul H Shropshire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:15
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/22; B66C1/34; B66C1/12; B66C1/127; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3484; Y10T24/3485; Y10T24/3488; Y10T24/45; Y10T24/45225; Y10T24/45958; Y10T24/45963
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A COUPLING DEVICE ADAPTED TO FACILITATE HOOKING AND UNHOOKING OPERATIONS PARTICULARLY IN RELATION TO CARGO NETS WHILE INCREASING SAFETY AND REDUCING LOAD LOSS COMPRISING: A PAIR OF OPPOSITELY DISPOSED SUBSTANTIALLY IDENTICAL HOOK MEMBERS MOUNTED UPON A COMMON PIVOT; SAID HOOK MEMBERS EACH HAVING A HOOK END, A PIVOT END AND AN ELONGATE SUBSTANTIALLY FLAT AND STRAIGHT SHANK INTERCONNECTING SAID HOOK AND PIVOT ENDS; SAID SHANKS FORMING AN ACUTE ANGLE AT SAID PIVOT ENDS WHEN IN THE NO-LOAD CONDITION; SAID HOOK ENDS EXTENDING INWARDLY FROM SAID SHANKS AT THE BASE THEREOF AND DISPOSED SUBSTANTIALLY TRANSVERSE TO THE LONGITUDINAL CENTERLINE THEREOF; SAID HOOK ENDS ABUTTING AT A COMMON POINT IN THE PERIPHERY THEREOF WHEN IN THE CLOSED POSITION; AND SAID HOOK ENDS HAVING AN INWARDLY CURVED ATTACHMENT RECEIVING RECESS SUBTENDING AN ARC OF MORE THAN 180* AT THE OUTER EXTREMITIES THEREOF; WHEREBY DISENGEGEMENT OF THE COUPLING DEVICE ESPECIALLY UNDER INTERMITTENT NO-LOAD CONDITIONS IN SUBSTANTIALLY PREVENTED.
Claim 2
Dependent Claim
153 words
A COUPLING DEVICE ADAPTED TO FACILITATE HOOKING AND UNHOOKING OPERATIONS PARTICULARLY IN RELATION TO CARGO NETS WHILE INCREASING SAFETY AND REDUCING LOAD LOSS COMPRISING: A PAIR OF OPPOSITELY DISPOSED SUBSTANTIALLY IDENTICAL HOOK MEMBERS MOUNTED UPON A COMMON PIVOT; SAID HOOK MEMBERS EACH HAVING A HOOK END, A PIVOT END AND AN ELONGATE SUBSTANTIALLY FLAT AND STRAIGHT SHANK INTERCONNECTING SAID HOOK AND PIVOT ENDS; SAID SHANKS FORMING AN ACUTE ANGLE AT SAID PIVOT ENDS WHEN IN THE NO-LOAD CONDITION; SAID HOOK ENDS EXTENDING INWARDLY FROM SAID SHANKS AT THE BASE THEREOF AND DISPOSED SUBSTANTIALLY TRANSVERSE TO THE LONGITUDINAL CENTERLINE THEREOF; SAID HOOK ENDS ABUTTING AT A COMMON POINT IN THE PERIPHERY THEREOF WHEN IN THE CLOSED POSITION; AND SAID HOOK ENDS HAVING AN INWARDLY CURVED ATTACHMENT RECEIVING RECESS SUBTENDING AN ARC OF MORE THAN 180* AT THE OUTER EXTREMITIES THEREOF; WHEREBY DISENGEGEMENT OF THE COUPLING DEVICE ESPECIALLY UNDER INTERMITTENT NO-LOAD CONDITIONS IN SUBSTANTIALLY PREVENTED.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |