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Automatic and confirmed message receipt

  • US 20060010218A1
  • Filed: 06/13/2005
  • Published: 01/12/2006
  • Est. Priority Date: 06/11/2004
  • Status: Abandoned Application
First Claim
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19-1. The communication system of claim 22 wherein each notification is associated with an expiration time, and the communication system is operable to send a subsequent notification upon expiration of a prior notification.

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