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System and method of managing time-sensitive items

  • US 7,185,810 B2
  • Filed: 05/11/2004
  • Issued: 03/06/2007
  • Est. Priority Date: 04/04/2001
  • Status: Expired due to Term
First Claim
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1. A method of obtaining expiration information about a product comprising the steps of:

  • storing expiration information for a product in a memory located apart from a radio frequency identification label,associating the radio frequency identification label with the product;

    identifying an electronic price label associated with the product;

    causing the electronic price label to interrogate the radio frequency identification label associated with the product;

    receiving identification information from the radio frequency identification label; and

    obtaining the stored expiration information using the identification information from the radio frequency identification label.

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