04669731 is referenced by 472 patents and cites 10 patents.

A slot machine of the type having a plurality of rotatable reels, each bearing an annular row of various symbols on the outer surface thereof, or a corresponding CRT display, which selects and displays combinations of symbols during each game, and which pays out coins not only when predetermined prize-winning combinations of symbols occur on prize-winning rows but also when a predetermined number of consecutive lost games take place.

Title
Slot machine which pays out upon predetermined number of consecutive lost games
Application Number
6/818987
Publication Number
4669731
Application Date
January 8, 1986
Publication Date
June 2, 1987
Inventor
George Clarke
Hornsby
AU
Agent
Young & Thompson
Assignee
Kabushiki Kaisha Universal
JP
IPC
G07F 17/34
View Original Source