Patent US3082471A successfully refreshed from Google Patents.
US3082471A
Expired / Lapsed
US
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Door closer adjustment
Assignee: Yale and Towne Manufacturing Co
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Filing: 1955-12-06
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Granted: 1963-03-26
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Expires: 1975-12-06
Abstract
No abstract record available.
Inventors
- 👤 Samuel F Rolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:52
CPC Classifications
E; E05; E05F; E05F3/00; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/301; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32057; Y10T403/32073
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
126 words
IN A DOOR CLOSER OF THE CLASS DESCRIBED HAVING AN ARM THAT PIVOTS RELATIVELY TO A DOOR FRAME AS THE DOOR MOVES BETWEEN OPEN AND CLOSED POSITIONS, A PLATE SECURED TO THE DOOR FRAME AND HAVING A SLOT THEREIN, A BEARING MEMBER ENGAGING ONE SIDE OF SAID PLATE OVER SAID SLOT, A PIVOT PIN EXTENDING THROUGH SAID SLOT AND SCREW-THREADED INTO SAID BEARING MEMBER, SAID ARM BEING CONNECTED TO SAID PIN ON THE OTHER SIDE OF SAID PLATE FOR ROTATION ABOUT THE AXIS OF SAID PIN, SAID PIN AND BEARING MEMBER BEING MOVABLE ALONG SAID SLOT TO ADJUSTABLY POSITION SAID AXIS, MEANS FOR SECURING SAID PIN AND BEARING MEMBER IN ADJUSTED POSITION, AND MEANS FOR PREVENTING ROTATION OF SAID BEARING MEMBER COMPRISING A CHANNEL MEMBER OVER-
References Cited (Backward Citations)
US2220967A
Cited
US2357556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |