发明名称 GAMING DEVICE HAVING DIFFERENT SETS OF PRIMARY AND SECONDARY REEL SYMBOLS
摘要 An apparatus and method for a gaming device having a bonus game that provides a player with a primary set of reel symbols having a primary probability of winning and a secondary set of reel symbols having a secondary probability of winning, where the secondary probability of winning is greater than the primary probability of winning.
申请公布号 US2008220851(A1) 申请公布日期 2008.09.11
申请号 US20080125586 申请日期 2008.05.22
申请人 IGT 发明人 GLAVICH PAULINA;BAERLOCHER ANTHONY J.
分类号 A63F9/24;G07F17/32;G07F17/34 主分类号 A63F9/24
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