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PHOTOGRAPHIC CREDIT CARD SYSTEM

  • US 3,725,647 A
  • Filed: 10/19/1970
  • Issued: 04/03/1973
  • Est. Priority Date: 10/19/1970
  • Status: Expired due to Term
First Claim
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1. A record card for storing information in digital, coded form, said card being dimensioned and adapted to be handled and processed directly by card handling apparatus, said card further comprising:

  • at least a portion of said card being coated with a selfdeveloping, photosensitive material adapted to form a permanent, visible image when exposed to radiation of predetermined characteristics; and

    a tab detachably connected to said card, said tab being coated with said photosensitive material.

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