05423539 is referenced by 410 patents and cites 13 patents.

This invention relates a game machine in which a combination of characters stopped along a winning line is judged based on a winning table showing winning combinations of characters to determine the presence of a win and a payment of coins. In this game machine, a substitutable character can be used as another character, and when its substitution makes a combination of characters a winning combination, a payment of coins for the combination is increased or decreased to determine a new payment of coins.

Title
Slot machine with payout modifying symbols
Application Number
412985
Publication Number
5423539
Application Date
June 30, 1993
Publication Date
June 13, 1995
Inventor
Yuji Nagao
Tokyo
JP
Agent
Stevens Davis Miller & Mosher
Assignee
Sigma Incorporated
JP
IPC
G07F 17/34
A63F 7/00
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