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Products having RFID tags to provide information to product consumers

  • US 20040124988A1
  • Filed: 11/21/2003
  • Published: 07/01/2004
  • Est. Priority Date: 11/21/2002
  • Status: Active Grant
First Claim
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1. A system for signaling level of product in a container, comprising:

  • a container having a sensor affixed to one portion thereof, contacts extending downwardly from said sensor;

    an electrical circuit broken when the level of product in said container falls below said contacts, and a device for generating a signal from said sensor when said electrical circuit is broken for alerting a user that the level of product is low, and a remote receiver separate from said container for communicating said signal for alerting the user.

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