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Slot machine game and system with improved jackpot feature

  • US 7,625,283 B2
  • Filed: 03/01/2006
  • Issued: 12/01/2009
  • Est. Priority Date: 07/08/1997
  • Status: Expired due to Fees
First Claim
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1. A method of triggering a feature game at a gaming machine which plays a first main game, said method comprising:

  • accepting a bet of a plurality of credits for a single play of the first main game;

    randomly selecting a number within a predetermined fixed range of consecutive numbers upon play of a first main game, wherein the predetermined fixed range of numbers is determined prior to play of the gaming machine and the maximum value of said range of values is proportional to the average value of turnover between progressive jackpot hits;

    allotting a plurality of numbers in proportion to the number of said credits bet by the player, wherein the allotted numbers comprise a subset of the predetermined fixed range of numbers; and

    triggering display of the feature game for play when the randomly selected number matches one of the allotted numbers.

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