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Secure card

  • US 8,109,436 B1
  • Filed: 04/26/2007
  • Issued: 02/07/2012
  • Est. Priority Date: 04/26/2007
  • Status: Active Grant
First Claim
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1. A financial transaction method using a secure card, comprising:

  • providing the secure card, the secure card having a viewable first account number associated with a first account and a non-viewable second account number associated with a second account;

    receiving the first account number from the card into a point of sale computer;

    reading the second account number from the card;

    reading an expiration date from the card;

    authorizing funds by the computer from the second account upon positive authentication of the first account number, the second account number, and the expiration date; and

    blocking withdrawal by the computer of any funds from the first account upon receiving the first account number into the computer.

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