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Distribution and notification system and method for filter replacement cartridges

  • US 20020062221A1
  • Filed: 11/15/2001
  • Published: 05/23/2002
  • Est. Priority Date: 11/21/2000
  • Status: Abandoned Application
First Claim
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1. A system for notifying customers comprising:

  • means for receiving filter information from a customer;

    means for computing a filter replacement date;

    means for sending a message to a customer on message date that is related to the filter replacement date.

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