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US3668979A Expired / Lapsed US ⏱️ 0.0 years remaining

Manufacturing process for a file folder

Assignee: Individual
•
Filing: 1969-10-07
•
Granted: 1972-06-13
•
Expires: 1989-10-07
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Abstract

Abstract Process for manufacturing file folders for records and documents, said file folders comprising a certain number of flaps, with one face of each flap being provided with three tiered pockets for holding the documents, said process consisting of using two sheets of flexible material, whereby the narrowest of the sheets is connected to the widest by a stitching or by a line of glue, then of folding over the two sheets so as to form evenly tiered pockets, all objects resulting from said process and arrangements being within the scope of the invention.

Inventors

  • 👤 Andre Raymond Daniel Cariven

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 18:57
CPC Classifications
B; B42; B42F; B42F7/00; B42F7/06; B42P; B42P2261/00

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 71 words
Manufacturing process for a file folder provided with several flaps to be folded over each other and comprising three tiered pockets on each flap, said process consisting of assembling along one longitudinal line two sheets of flexible material, of folding the two sheets along different lines parallel to the said longitudinal line so as to form evenly tiered pockets, and of folding the assembly along transverse lines to form the flaps.
Claim 2
Dependent Claim 71 words
Manufacturing process for a file folder provided with several flaps to be folded over each other and comprising three tiered pockets on each flap, said process consisting of assembling along one longitudinal line two sheets of flexible material, of folding the two sheets along different lines parallel to the said longitudinal line so as to form evenly tiered pockets, and of folding the assembly along transverse lines to form the flaps.
Claim 3
Dependent Claim 21 words
Process according to claim 1 wherein the two sheets of flexible material are furnished by the unrolling of two continuous rolls.
Claim 4
Dependent Claim 12 words
Process according to claim 2 wherein the flexible material is kraft paper.
Claim 5
Dependent Claim 17 words
Process according to claim 1 wherein the assembling of the two sheets is accomplished by machine stitching.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-06-13 1975-12-13 1976-06-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-06-13 1979-12-13 1980-06-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-06-13 1983-12-13 1984-06-13 $7700.00 Window Closed / Lapsed

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