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US4079533A Expired / Lapsed US ⏱️ 0.0 years remaining

Suspension file folder

Assignee: BIELLA NEHER AG
•
Filing: 1977-02-09
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Granted: 1978-03-21
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Expires: 1997-02-09
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Abstract

Abstract A suspension file folder characterized by one or more index tabs being detachably connectible in a plurality of differing positions to a track element secured to the upper edge of at least one side-sheet of the folder, the index tabs engaging in an upwardly open slot in the track element by means of downwardly projecting attachment members which are resilient in a plane parallel to the principal plane of the track element, a continuous slot being provided which extends along the entire length of the track element and having two sidewalls formed by the track element and a plurality of catch elements being disposed along the length of the slot between the sidewalls which cooperate with respective attachment members to form snap fastenings.

Inventors

  • 👤 Benedikt Rohner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 01:48
CPC Classifications
B; B42; B42F; B42F21/00; B42F21/06; B42F21/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 129 words
In a suspension file folder of the type wherein one or more index tabs are detachably connectible in a plurality of differing positions to a track element secured to the upper edge of at least one side-sheet of said folder, said index tabs engaging in an upwardly open slot in said track element by means of downwardly projecting attachment members which are resilient in a plane parallel to the principal plane of said track element, the improvement comprising: a continuous said slot extending along the entire length of said track element and having two sidewalls formed by said track element, and a plurality of catch elements disposed along the length of said slot between said sidewalls, said catch elements cooperating with respective said attachments members to form snap fastenings.
Claim 2
Dependent Claim 129 words
In a suspension file folder of the type wherein one or more index tabs are detachably connectible in a plurality of differing positions to a track element secured to the upper edge of at least one side-sheet of said folder, said index tabs engaging in an upwardly open slot in said track element by means of downwardly projecting attachment members which are resilient in a plane parallel to the principal plane of said track element, the improvement comprising: a continuous said slot extending along the entire length of said track element and having two sidewalls formed by said track element, and a plurality of catch elements disposed along the length of said slot between said sidewalls, said catch elements cooperating with respective said attachments members to form snap fastenings.

References Cited (Backward Citations)

US2603219A Cited
US1048577A Cited
US2438282A Cited
US2771076A Cited
US3204639A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-03-20 1981-09-19 1982-03-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-03-20 1985-09-19 1986-03-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-03-20 1989-09-19 1990-03-21 $7700.00 Window Closed / Lapsed

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