US3144748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain hook assemblage
Assignee: Fulton Co
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Filing: 1961-08-21
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Granted: 1964-08-18
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Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 James C Knop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:31
CPC Classifications
F; F16; F16G; F16G17/00; B; B60; B60D; B60D1/00; B60D1/14; B60D1/18; B60D1/187
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A CHAIN HOOK ASSEMBLAGE COMPRISING, A PAIR OF MEMBERS HAVING SHANK PORTIONS PIVOTALLY INTERCONNECTED AT ONE END WITH THE OPPOSITE ENDS BENT INWARDLY TOWARD EACH OTHER TO FORM HOOKS SWINGABLE IN PARALLEL PLANES COMMON TO SAID HOOKS INTO OVERLAPPING POSITION TO PROVIDE A CLOSED LOOP, THE TERMINAL PORTION OF EACH OF SAID HOOKS BEING FORMED WITH AN EXTERNAL ELONGATED RECTILINEAR EDGE AND EACH HOOK ALSO BEING FORMED WITH AN EXTERNAL ELONGATED LATERALLY OFF-SET RECTILINEAR ABUTMENT REMOTE FROM ITS TERMINAL PORTION AND ADJACENT ITS SHANK PORTION, SAID RECTILINEAR EDGES AND SAID RECTILINEAR ABUTMENT BEING INCLINED TOWARD EACH OTHER IN A DIRECTION RECEDING FROM SAID PIVOTAL CONNECTION WITH THE RECTILINEAR ABUTMENT OF ONE OF SAID HOOKS FORMING A LONGITUDINAL BEARING STOP FOR THE RECTILINEAR EDGE OF THE OTHER OF SAID HOOKS WHEN SAID HOOKS ARE SWUNG TO OVERLAPPED POSITION TO THUS REINFORCE THE TERMINAL PORTIONS OF SAID HOOKS.
Claim 2
Dependent Claim
146 words
A CHAIN HOOK ASSEMBLAGE COMPRISING, A PAIR OF MEMBERS HAVING SHANK PORTIONS PIVOTALLY INTERCONNECTED AT ONE END WITH THE OPPOSITE ENDS BENT INWARDLY TOWARD EACH OTHER TO FORM HOOKS SWINGABLE IN PARALLEL PLANES COMMON TO SAID HOOKS INTO OVERLAPPING POSITION TO PROVIDE A CLOSED LOOP, THE TERMINAL PORTION OF EACH OF SAID HOOKS BEING FORMED WITH AN EXTERNAL ELONGATED RECTILINEAR EDGE AND EACH HOOK ALSO BEING FORMED WITH AN EXTERNAL ELONGATED LATERALLY OFF-SET RECTILINEAR ABUTMENT REMOTE FROM ITS TERMINAL PORTION AND ADJACENT ITS SHANK PORTION, SAID RECTILINEAR EDGES AND SAID RECTILINEAR ABUTMENT BEING INCLINED TOWARD EACH OTHER IN A DIRECTION RECEDING FROM SAID PIVOTAL CONNECTION WITH THE RECTILINEAR ABUTMENT OF ONE OF SAID HOOKS FORMING A LONGITUDINAL BEARING STOP FOR THE RECTILINEAR EDGE OF THE OTHER OF SAID HOOKS WHEN SAID HOOKS ARE SWUNG TO OVERLAPPED POSITION TO THUS REINFORCE THE TERMINAL PORTIONS OF SAID HOOKS.
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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |