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Computer-based trading card system and method

  • US 5,689,561 A
  • Filed: 10/06/1995
  • Issued: 11/18/1997
  • Est. Priority Date: 10/06/1995
  • Status: Expired due to Fees
First Claim
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1. A computer-based collection system, comprising:

  • a computer system including a disk drive, a hard drive, a user input and a display system;

    a program loaded into said computer system, said program including different locked first and second collection items;

    a first disk having a first coded key, said first disk after being inserted into said disk drive being capable of unlocking, using said first coded key, said first collection item into said hard drive; and

    a second disk having a second coded key, said second disk after being inserted into said disk drive being capable of unlocking, using said second coded key, said second collection item into said hard drive;

    wherein said first coded key after unlocking said first collection piece is rendered inoperative and incapable of unlocking a corresponding first collection item in a similar program.

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