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US3560025A Expired / Lapsed US ⏱️ 0.0 years remaining

Insert for books and the like and method for making same

Assignee: United States Envelope Co
•
Filing: 1968-08-28
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Granted: 1971-02-02
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Expires: 1988-08-28
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Abstract

Abstract AN INSERT FOR BINDING IN BOOKS AND THE LIKE MADE FROM FOLDED SHEET MATERIAL AND HAVING TWO PANELS FOLDED INTO FACE-TO-FACE RELATION ALONG A HORIZONTAL FOLD LINE AND DIVIDED INTO TWO PAGES BY A VERTICAL LINE OF WEAKENING. PORTIONS OF THE PANELS WHICH FORM ONE OF THE PAGES ARE CONNECTED IN FACE-TO-FACE RELATION BY A GENERALLY U-SHAPED LINE OF ADHENSIVE TO FORM A REMOVABLE ENVELOPE. AFTER THE INSERT IS BOUND IN A BOOD IT IS TRIMMED TO SIZE, ALONG WITH THE OTHER PAGES OF THE BOOK, BY CUTTI NG ALONG ITS UNBOUND EDGES. THIS DOES NOT EFFECT THE ENVELOPE APPEARING ON THE FIRST PAGE AS THE LINE OF GLUE MAINTAINS THE DESIRED CORRECTION BETWEEN THE TWO OVERLYING PANELS, BUT AS TO THE SECOND PAGE IT DOES DISCONNECT THE TWO PANELS AND FORMS ONE OF THEN INTO A REMOVAL COUPON OR THE LIKE.

Inventors

  • 👤 Richmond V Ostrander

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 12:49
CPC Classifications
B; B42; B42F; B42F5/00

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) 1974-02-01 1974-08-03 1975-02-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-01 1978-08-03 1979-02-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-01 1982-08-03 1983-02-02 $7700.00 Window Closed / Lapsed

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