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US3811998A Expired / Lapsed US ⏱️ 0.0 years remaining

End paper assembly

Assignee: Library Binding Service Inc
•
Filing: 1972-09-22
•
Granted: 1974-05-21
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Expires: 1992-09-22
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Abstract

Abstract A method of binding and an end paper assembly for use in the binding of books includes a cover sheet and top and inside sheets and the cover and top sheets are attached to the inside sheet along a line adjacent to but spaced from the edge of the inside sheet to define a margin. A back liner material is then attached to the cover sheet and a portion of the liner material extends freely from the sheets. To bind the pages of the book, the end sheet assembly is first attached along its margin to the pages of the book, the cover sheet is folded back to cover the bound margin and the freely extending portion of the back liner material is folded over and adhesively bonded to the back of the book pages.

Inventors

  • 👤 F James

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 18:20
CPC Classifications
B; B42; B42C; B42C11/00; B42C11/04; B42C11/045; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1034; Y10T428/00; Y10T428/24; Y10T428/2419; Y10T428/24198; Y10T428/24777

Claims Analysis

Total Claims: 0
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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) 1977-05-20 1977-11-19 1978-05-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-05-20 1981-11-19 1982-05-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-05-20 1985-11-19 1986-05-21 $7700.00 Window Closed / Lapsed

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