Patent US3143760A successfully refreshed from Google Patents.
US3143760A
Expired / Lapsed
US
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Retractable door pivot assembly
Assignee: Stanley Works
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Filing: 1961-02-28
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Granted: 1964-08-11
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Expires: 1981-02-28
Abstract
No abstract record available.
Inventors
- 👤 Harold W Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:45
CPC Classifications
E; E05; E05D; E05D7/00; E05D7/08; E05D7/081; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A RETRACTABLE DOOR PIVOT ASSEMBLY COMPRISING A FRAME, A PIVOT PLUNGER MOUNTED ON THE FRAME FOR AXIAL RECIPROCAL MOVEMENT BETWEEN A RETRACTED AND AN EXTENDED OPERATING POSITION, A PIVOT ON SAID FRAME, A LINK PIVOTALLY MOUNTED ON SAID PIVOT AND CONNECTED TO THE PLUNGER TO RECIPROCATE THE SAME, AN OPERATING LEVER MOUNTED ON SAID PIVOT FOR MOVEMENT BETWEEN A FIRST POSITION EXTENDING AWAY FROM THE FRAME AND A RETRACTED POSITION, AND A DISENGAGEABLE CATCH FOR SECURING THE LINK TO THE LEVER FOR SIMULTANEOUS PIVOTING MOVEMENT THEREOF, SAID CATCH BEING ENGAGEABLE WHEN THE LEVER IS MOVED TO SAID FIRST POSITION AND THE PLUNGER IS IN RETRACTED POSITION.
Claim 2
Dependent Claim
106 words
A RETRACTABLE DOOR PIVOT ASSEMBLY COMPRISING A FRAME, A PIVOT PLUNGER MOUNTED ON THE FRAME FOR AXIAL RECIPROCAL MOVEMENT BETWEEN A RETRACTED AND AN EXTENDED OPERATING POSITION, A PIVOT ON SAID FRAME, A LINK PIVOTALLY MOUNTED ON SAID PIVOT AND CONNECTED TO THE PLUNGER TO RECIPROCATE THE SAME, AN OPERATING LEVER MOUNTED ON SAID PIVOT FOR MOVEMENT BETWEEN A FIRST POSITION EXTENDING AWAY FROM THE FRAME AND A RETRACTED POSITION, AND A DISENGAGEABLE CATCH FOR SECURING THE LINK TO THE LEVER FOR SIMULTANEOUS PIVOTING MOVEMENT THEREOF, SAID CATCH BEING ENGAGEABLE WHEN THE LEVER IS MOVED TO SAID FIRST POSITION AND THE PLUNGER IS IN RETRACTED POSITION.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |