Patent · US Expired

Gaming device with variable bonus payout feature

US6234897A · kind A · utility

725Cited by
41References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 25, 1999
Grant dateMay 22, 2001
Priority date
Expiry dateAug 25, 2019

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA63F2007/0064
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A slot machine comprises a spinning reel display and a bonus game. The spinning reel display shows a plurality of symbols on each of a plurality of rotatable reels. The reels are rotated and stopped to place the symbols of each reel in visual association with a pay line. The pay line is associated with at least one of the symbols on each of the reels. The bonus game is triggered in response to start-bonus symbols from the respective stopped reels appearing in the spinning reel display. The bonus game having different expected values based on different arrangements of the start-bonus symbols in the spinning reel display.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.