Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets (indexing features B42F21/00; furniture features A47B, A47F)

Child Classifications

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• B42F 17/02 in which the cards are stored substantially at right angles to the bottom of their containers
• B42F 17/18 in which the cards are stored in a flat position
• B42F 17/28 in the form of endless bands or revolving drums
• B42F 17/30 modified for particular uses
• B42F 17/32 with means for staggering cards already in the file
• B42F 17/34 with card selection means, e.g. telephone number list finders (selecting devices for data cards G06K21/00)