发明名称 Prize machine
摘要 A prize machine ( 100 ) is arranged to periodically provide an opportunity to win a free prize, the machine ( 100 ) being further arranged such that the opportunity to win the free prize is provided free of charge. This may enable limitations on the value of a pay-to-play prize machine prize to be avoided and therefore the machine ( 100 ) may be able to offer higher value prizes than was previously possible.
申请公布号 US2005192082(A1) 申请公布日期 2005.09.01
申请号 US20050047838 申请日期 2005.01.31
申请人 WILSON RICHARD 发明人 WILSON RICHARD
分类号 G07F17/32;(IPC1-7):G06F17/00;A63F9/24;G06F19/00 主分类号 G07F17/32
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