发明名称 GAMING DEVICE HAVING SYMBOL STACKS
摘要 A gaming device is provided including a set of symbols on a plurality of ree ls and a symbol stack that includes an initially displayed symbol and at least one initially hidden symbol. In one embodiment, the hidden symbols are stack ed beneath the displayed symbol. The initially displayed symbol may be removed to reveal an initially hidden symbol so that one or more different sets of visible symbols appears on the display device.
申请公布号 CA2492435(A1) 申请公布日期 2004.02.05
申请号 CA20032492435 申请日期 2003.07.22
申请人 IGT 发明人 VAN ASDALE, SHAWN M.
分类号 G07F1/00;G07F17/32;(IPC1-7):G07F17/34 主分类号 G07F1/00
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