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US3586160A Expired / Lapsed US ⏱️ 0.0 years remaining

Format sheet with self-sealing layer for the formation of index tabs

Assignee: Individual
•
Filing: 1969-01-30
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Granted: 1971-06-22
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Expires: 1989-01-30
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Abstract

Abstract A format sheet with a pressure-sensitive self-sealing layer from which single tabs for the formation of index tabs are removable by means of punch sections, the single tabs disposed in rowformed one-to-another followed position, comprising a nonripped, protective sheet, a sealing layer side of the format sheet covered up with the nonripped protective sheet, the latter adhering to the former and easily releasable therefrom. The format sheet being covered by the nonripped protective sheet and comprises precut tabs, which have a fold line and a tab section forming a writing surface which is adapted to be foldable over the fold line after the precut tab is removed from the protective sheet. A clear view foil is disposed on the upper side of the format sheet, and having a self-sealing layer, the clear view foil being precut to individual cover sheets for each of the precut tabs. The precut tab is cut at a head-sided separating cut and a foot-sided separating cut and including adjacent the headsided separating cut a foldable section which is sealing material repelling and foldable about the fold line, the latter of which constitutes perforations. The clear view foil projects beyond the foldable section, and the clear view foil being held back in corresponding staggering disposition relative to the foot-sided separating cut.

Inventors

  • 👤 Egon Heimann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:35
CPC Classifications
B; B42; B42F; B42F19/00; Y; Y10; Y10S; Y10S206/00; Y10S206/82

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 241 words
An index tab package comprising a protective sheet, a format sheet having a pressure sensitive self-sealing layer on a side of said format sheet covered up with said protective sheet, the latter adhering to the self-sealing layer of the former and easily releasable therefrom, said format sheet being covered by said protective sheet and comprises precut tabs, each of said precut tabs having a perforated fold line and a foldable section forming a writing surface which is adapted to be folded over said fold line after each of said precut tabs is removed from said protective sheet, a transparent foil disposed on the other side of said format sheet and having a self-sealing layer positioned against said other side of said format sheet, said transparent foil being precut to individual cover sheets for each of said precut tabs, said foldable section being sealing material repellent facing said self-sealing layer of said transparent foil and foldable about said fold line, said transparent foil at one end projecting beyond said precut tabs beyond said foldable section thereof, said precut tabs projecting beyond said transparent foil at the opposite end of the latter, each of said precut tabs and its corresponding transparent foil constituting an index tab, and said index tabs positioned on said protective sheet with the projecting portion of the transparent foil of one of said index tabs overlying the projecting portion of the precut tabs of the next adjacent index tab.
Claim 2
Dependent Claim 241 words
An index tab package comprising a protective sheet, a format sheet having a pressure sensitive self-sealing layer on a side of said format sheet covered up with said protective sheet, the latter adhering to the self-sealing layer of the former and easily releasable therefrom, said format sheet being covered by said protective sheet and comprises precut tabs, each of said precut tabs having a perforated fold line and a foldable section forming a writing surface which is adapted to be folded over said fold line after each of said precut tabs is removed from said protective sheet, a transparent foil disposed on the other side of said format sheet and having a self-sealing layer positioned against said other side of said format sheet, said transparent foil being precut to individual cover sheets for each of said precut tabs, said foldable section being sealing material repellent facing said self-sealing layer of said transparent foil and foldable about said fold line, said transparent foil at one end projecting beyond said precut tabs beyond said foldable section thereof, said precut tabs projecting beyond said transparent foil at the opposite end of the latter, each of said precut tabs and its corresponding transparent foil constituting an index tab, and said index tabs positioned on said protective sheet with the projecting portion of the transparent foil of one of said index tabs overlying the projecting portion of the precut tabs of the next adjacent index tab.
Claim 3
Dependent Claim 36 words
The index tab package, as set forth in claim 1, wherein said projecting portion of said precut tabs is sealing material repellent facing said self-sealing layer of said transparent foil of the next adjacent index tab.

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) 1974-06-21 1974-12-21 1975-06-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-21 1978-12-21 1979-06-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-21 1982-12-21 1983-06-22 $7700.00 Window Closed / Lapsed

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