Patent US1614951A successfully refreshed from Google Patents.
Patent US3156003A successfully refreshed from Google Patents.
US3156003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panic release door stop
Assignee: Yale and Towne Inc
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Filing: 1962-04-27
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Granted: 1964-11-10
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Expires: 1982-04-27
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Schmid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:36
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/10; E05B65/102; E05D; E05D3/00; E05D3/06; E05D3/08; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/0883; Y10T292/0884
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
213 words
A PANIC RELEASE DOOR STOP COMPRISING, A ROLLER, A CHANNEL SHAPED ROLLER SUPPORTING MEMBER SLIDABLY RECEIVED ON SAID MOUNTING MEMBER WITH THE LEGS OF SAID ROLLER SUPPORTING MEMBER EXTENDING ALONG OPPOSITE SIDES OF SAID MOUNTING MEMBER, MEANS ROTATABLY MOUNTING SAID ROLLER BETWEEN THE LEGS OF SAID ROLLER SUPPORTING MEMBER, AN ELONGATED SLOT EXTENDING THROUGH SAID MOUNTING MEMBER BETWEEN SAID OPPOSITE SIDES OF SAID MOUNTING MEMBER, A PIVOT PIN SECURED BETWEEN THE FREE ENDS OF SAID LEGS OF SAID ROLLER SUPPORTING MEMBER AND EXTENDING THROUGH SAID SLOT WHEREBY SAID ROLLER MOUNTING MEMBER MAY MOVE BETWEEN A POSITION IN WHICH SAID ROLLER IS IN A DOOR STOPPING POSITION ALONG THE FRONT OF SAID MOUNTING MEMBER AND POSITION IN WHICH SAID ROLLER CLEARS AND FRONT OF THE MOUNTING MEMBER TO ALLOW SAID ROLLER TO PIVOT AWAY FROM SAID DOOR STOPPING POSITION TO A DOOR RELEASING POSITION, AND SPRING MEANS WITHIN SAID MOUNTING MEMBER EXTENDING BETWEEN A PORTION OF SAID MOUNTING MEMBER AND SAID PIVOT PIN AND YIELDING HOLDING SAID ROLLER SUPPORTING MEMBER IN THE POSITION, IN WHICH SAID ROLLER IS IN SAID DOOR STOPPING POSITION, BUY YIELDING UNDER SUBSTANTIAL FORCE APPLIED TO SAID ROLLER TO ALLOW SUFFICIENT MOVEMENT OF SAID ROLLER TO CLEAR SAID FRONT OF SAID MOUNTING MEMBER AND PIVOT TO SAID DOOR RELEASING POSITION.
Claim 2
Dependent Claim
213 words
A PANIC RELEASE DOOR STOP COMPRISING, A ROLLER, A CHANNEL SHAPED ROLLER SUPPORTING MEMBER SLIDABLY RECEIVED ON SAID MOUNTING MEMBER WITH THE LEGS OF SAID ROLLER SUPPORTING MEMBER EXTENDING ALONG OPPOSITE SIDES OF SAID MOUNTING MEMBER, MEANS ROTATABLY MOUNTING SAID ROLLER BETWEEN THE LEGS OF SAID ROLLER SUPPORTING MEMBER, AN ELONGATED SLOT EXTENDING THROUGH SAID MOUNTING MEMBER BETWEEN SAID OPPOSITE SIDES OF SAID MOUNTING MEMBER, A PIVOT PIN SECURED BETWEEN THE FREE ENDS OF SAID LEGS OF SAID ROLLER SUPPORTING MEMBER AND EXTENDING THROUGH SAID SLOT WHEREBY SAID ROLLER MOUNTING MEMBER MAY MOVE BETWEEN A POSITION IN WHICH SAID ROLLER IS IN A DOOR STOPPING POSITION ALONG THE FRONT OF SAID MOUNTING MEMBER AND POSITION IN WHICH SAID ROLLER CLEARS AND FRONT OF THE MOUNTING MEMBER TO ALLOW SAID ROLLER TO PIVOT AWAY FROM SAID DOOR STOPPING POSITION TO A DOOR RELEASING POSITION, AND SPRING MEANS WITHIN SAID MOUNTING MEMBER EXTENDING BETWEEN A PORTION OF SAID MOUNTING MEMBER AND SAID PIVOT PIN AND YIELDING HOLDING SAID ROLLER SUPPORTING MEMBER IN THE POSITION, IN WHICH SAID ROLLER IS IN SAID DOOR STOPPING POSITION, BUY YIELDING UNDER SUBSTANTIAL FORCE APPLIED TO SAID ROLLER TO ALLOW SUFFICIENT MOVEMENT OF SAID ROLLER TO CLEAR SAID FRONT OF SAID MOUNTING MEMBER AND PIVOT TO SAID DOOR RELEASING POSITION.
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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |