×

Slot machine game and system with improved jackpot feature

  • US 7,575,516 B2
  • Filed: 06/05/2006
  • Issued: 08/18/2009
  • Est. Priority Date: 07/08/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. In a network of gaming machines, each of said gaming machines accepting different wager amounts and accepting a single wager per play of a first base game, a method of randomly awarding one progressive prize from a plurality of progressive prizes using a second game to select said one progressive prize, said second game being displayed in response to an occurrence of a random trigger condition having a probability of occurrence related to an amount of the wager, comprising:

  • accepting a wager at a particular gaming machine in the network of gaming machines;

    initiating a first main game at said particular gaming machine;

    causing a second game trigger condition to occur in conjunction with said first main game, said second game trigger condition occurring randomly and having a probability of occurrence dependent on the amount of said single wager and independent of the outcome of the base game;

    displaying a second game at said particular gaming machine in response to the occurrence of said second game trigger condition, said second game being displayed after completion of said first main game;

    randomly selecting said one progressive prize from said plurality of progressive prizes;

    identifying said one progressive prize according to the outcome of said second game.

View all claims
  • 7 Assignments
Timeline View
Assignment View
    ×
    ×