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Type of instant scratch-off lottery games

  • US 6,273,817 B1
  • Filed: 05/26/1999
  • Issued: 08/14/2001
  • Est. Priority Date: 05/26/1999
  • Status: Expired due to Fees
First Claim
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1. A tamper resistant lottery ticket for preventing payoff of invalid tickets comprising:

  • a ticket body;

    a plurality of game fields which are choosable by a lottery player;

    at least one winning symbol for the ticket positioned in a game field;

    a scratch-off material covering the game fields to hide contents of the game fields and therefore hide the at least one winning symbol, the scratch-off material removable by a lottery player to reveal the contents of a game field when the game field is chosen;

    a readable security code printed in each of the game fields, the security code also being covered by scratch-off material with the at least one winning symbol and being revealed when the game field is chosen and the scratch-off material is removed to reveal the contents of the game field;

    whereby the security codes of the ticket may be read to ensure that the proper number of game field contents are revealed and the lottery ticket is valid.

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