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Automatic vending machine having a bar code reader and bar coded columns and switches

  • US 5,272,321 A
  • Filed: 08/08/1991
  • Issued: 12/21/1993
  • Est. Priority Date: 08/09/1990
  • Status: Expired due to Term
First Claim
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1. An automatic vending machine for vending articles for which printed article bar codes are given, comprising:

  • a memory means for storing the article codes of articles that may not be sold for certain times;

    means for prohibiting sales of said articles based on the article codes stored in said memory means during said times.

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