Patent US3143838A successfully refreshed from Google Patents.
US3143838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge closure mechanism for a document carrier
Assignee: International Standard Electric Corp
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Filing: 1961-07-12
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Granted: 1964-08-11
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Expires: 1981-07-12
Abstract
No abstract record available.
Inventors
- 👤 Pouliart Willy Hortens Prosper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:47
CPC Classifications
B; B42; B42C; B42C7/00; B42C7/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A DOCUMENT CARRIER CONTROL MECHANISM FOR A DOCUMENT CARRIER HAVING ONE WALL HIGHER THAN ANOTHER AND HAVING A FOLDED EDGE EXTENDING BEYOND THE EDGE ON ONE SIDE OF THE OTHER WALL, SAID MECHANISM INCLUDING GUIDE MEANS FOR GUIDING SAID CARRIER, MEANS FOR STOPPING AND HOLDING SAID CARRIER AT A PREDETERMINED POSITION ALONG SAID GUIDE, MEANS PASSING THROUGH HOLES IN SAID ONE WALL TO PRESS SAID OTHER WALL OUTWARDLY SO THAT THE EDGE OF SAID OTHER WALL IS MADE LOWER THAN AND IS SEPARATED FROM SAID FOLDED EDGE AND MEANS URGING SAID FOLDED EDGE AWAY FROM SAID OTHER WALL SO THAT UPON RELEASE OF SAID OTHER WALL SAID FOLDED EDGE EXTENDS BEYOND THE EDGE ON THE OTHER SIDE OF SAID OTHER WALL.
Claim 2
Dependent Claim
121 words
A DOCUMENT CARRIER CONTROL MECHANISM FOR A DOCUMENT CARRIER HAVING ONE WALL HIGHER THAN ANOTHER AND HAVING A FOLDED EDGE EXTENDING BEYOND THE EDGE ON ONE SIDE OF THE OTHER WALL, SAID MECHANISM INCLUDING GUIDE MEANS FOR GUIDING SAID CARRIER, MEANS FOR STOPPING AND HOLDING SAID CARRIER AT A PREDETERMINED POSITION ALONG SAID GUIDE, MEANS PASSING THROUGH HOLES IN SAID ONE WALL TO PRESS SAID OTHER WALL OUTWARDLY SO THAT THE EDGE OF SAID OTHER WALL IS MADE LOWER THAN AND IS SEPARATED FROM SAID FOLDED EDGE AND MEANS URGING SAID FOLDED EDGE AWAY FROM SAID OTHER WALL SO THAT UPON RELEASE OF SAID OTHER WALL SAID FOLDED EDGE EXTENDS BEYOND THE EDGE ON THE OTHER SIDE OF SAID OTHER WALL.
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) | 1967-08-11 | 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 |