Visible index systems

Card – picture – or sign exhibiting – Check – label – or tag – Sheet-carried indicia

Patent

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Details

40359, 40534, B42F 2100

Patent

active

046203834

ABSTRACT:
Pocket card type visible index systems in which the pocket cards are protected against tearing at points of stress. This may be accomplished by bonding a reinforcing material to the card holding member of the pocket card, or, alternatively, by making that member of a laminated material. An additional feature includes protecting against tearing by providing round or radius corners at the ends of the card retaining apertures formed in the member.

REFERENCES:
patent: 1614021 (1927-01-01), Sprenger
patent: 2178449 (1939-10-01), Jackson
patent: 2438997 (1948-04-01), Hall
patent: 2935807 (1960-05-01), Townsend et al.

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