US3900642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binding strip for book leaves
Assignee: Individual
•
Filing: 1972-12-11
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Granted: 1975-08-19
•
Expires: 1992-12-11
Abstract
Abstract An adhesive binding strip comprising a flexible outer sheet having a medial transverse fold, a coating of pressure-sensitive adhesive extending substantially completely over the inner surface of said outer sheet, an inner sheet secured to said outer sheet by said pressure-sensitive adhesive and having openings therethrough which expose areas of said pressure-sensitive adhesive which are distributed to either side of said fold for contact with leaves to be bound, said areas of pressure-sensitive adhesive to one side of said fold being entirely out of registry with said areas of pressure-sensitive adhesive to the other side of said fold when the strip is folded together, and a coating of anti-adhesive material over substantially the entire inner surface of said inner sheet.
Inventors
- 👤 Marcel Michel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:55
CPC Classifications
B; B42; B42F; B42F5/00; B42F19/00; B42F3/00; G; G09; G09F; G09F3/00; G09F3/02; G09F2003/023; G09F2003/0248; Y; Y10; Y10S; Y10S412/00; Y10S412/901; Y10S462/00; Y10S462/90; Y10S462/901; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T428/00; Y10T428/14; Y10T428/24; Y10T428/2419; Y10T428/24215; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/24802; Y10T428/24826
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
119 words
AN ADHESIVE BINDING STRIP COMPRISING A FLEXIBLE OUTER SHEET HAVING A MEDIAL TRANSVERSE FOLD, A COATING OF PRESSURESENSITIVE ADHESIVE EXTENDING SUBSTANTIALLY COMPLETELY OVER THE INNER SURFACE OF SAID OUTER SHEET, AN INNER SHEET SECURED TO SAID OUTER SHEET BY SAID PRESSURE-SENSITIVE ADHESIVE AND HAVING OPENINGS THERETHROUGH WHICH EXPOSE AREAS OF SAID PRESSURESENSITIVE ADHESIVE WHICH ARE DISTRUBUTED TO EITHER SIDE OF SAID FOLD FOR CONTACT WITH LEAVES TO BE BOUND, SAID AREAS OF PRESSURE SENSITIVE ADHESHIVE TO ONE SIDE OF SAID FOLD BEING ENTIRELY OUT REGISTRY WITH SAID AREAS OF PRESSURE-SENSITIVE ADHESIVE TO THE OTHER SIDE OF SAID FOLD WHEN THE STRIP IS FOLDED TOGETHER, AND COATING OF ANTI-ADHESIVE MATERIAL OVER SUBSTANTIALLY THE ENTIRE INNER SURFACE OF SAID INNER SHEET.
Claim 2
Dependent Claim
119 words
AN ADHESIVE BINDING STRIP COMPRISING A FLEXIBLE OUTER SHEET HAVING A MEDIAL TRANSVERSE FOLD, A COATING OF PRESSURESENSITIVE ADHESIVE EXTENDING SUBSTANTIALLY COMPLETELY OVER THE INNER SURFACE OF SAID OUTER SHEET, AN INNER SHEET SECURED TO SAID OUTER SHEET BY SAID PRESSURE-SENSITIVE ADHESIVE AND HAVING OPENINGS THERETHROUGH WHICH EXPOSE AREAS OF SAID PRESSURESENSITIVE ADHESIVE WHICH ARE DISTRUBUTED TO EITHER SIDE OF SAID FOLD FOR CONTACT WITH LEAVES TO BE BOUND, SAID AREAS OF PRESSURE SENSITIVE ADHESHIVE TO ONE SIDE OF SAID FOLD BEING ENTIRELY OUT REGISTRY WITH SAID AREAS OF PRESSURE-SENSITIVE ADHESIVE TO THE OTHER SIDE OF SAID FOLD WHEN THE STRIP IS FOLDED TOGETHER, AND COATING OF ANTI-ADHESIVE MATERIAL OVER SUBSTANTIALLY THE ENTIRE INNER SURFACE OF SAID INNER SHEET.
Claim 3
Dependent Claim
16 words
A strip as claimed in claim 1, one free edge of said strip being cut off.
Claim 4
Dependent Claim
38 words
A strip as claimed in claim 1, the portions of said strip immediately adjacent said fold being secured to each other by pressure-sensitive adhesive material thereby to define a rigid ribbed base for said strip adjacent the fold.
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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) | 1978-08-18 | 1979-02-17 | 1979-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-18 | 1983-02-17 | 1983-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-18 | 1987-02-17 | 1987-08-19 | $7700.00 | Window Closed / Lapsed |