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Mailing system

  • US 5,963,927 A
  • Filed: 01/30/1997
  • Issued: 10/05/1999
  • Est. Priority Date: 01/31/1996
  • Status: Expired due to Fees
First Claim
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1. A mail item including an envelope;

  • said envelope being formed of a substrate of flexible electrically insulating material;

    an electronic circuit;

    said electronic circuit comprising at least first and second semi-conductor elements and conductive tracks interconnecting said first and second semi-conductor elements;

    said semi-conductor elements and said conductive tracks being deposited on said substrate of flexible electrically insulating material;

    said semi-conductor elements and said conductive tracks being flexible to enable flexing of the mail item;

    said electronic circuit including at least a memory for storage of postal information relating to the mail item and an interface for external communication with said memory.

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