Method of producing a card file

Details Method of producing a card file Method of producing a card file

1976-01-30

1977-11-08

Mancene, Louis G.

Card, picture, or sign exhibiting

Calendars

B42F 1500

Patent

active

040568946

ABSTRACT:
A novel card file is provided of a substantially rigid sheet having a plurality of parallel tandem slits. The length of the slits is slightly less than the length of the cards. Standard index cards without notches or cut-outs, are inserted, lined up parallel into the slits, and pressed into place providing a flippable card file.

REFERENCES:
patent: 1857229 (1932-05-01), Wood
patent: 3292632 (1966-12-01), Hopen

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