发明名称 |
Scratch-off lottery game with dual transparent layers |
摘要 |
A scratch-off lottery game including a substrate having at least one area having printed indicia thereon, the printed indicia being covered by at least one clear, transparent layer which can be removed by scratching, and at least one layer on said clear transparent layer which is colored, transparent and made of a non-scratch-off material, the colored transparent layer being affixed to the clear transparent layer in a manner in which removing the clear transparent layer by scratching results in removal of the colored transparent layer.
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申请公布号 |
US6076860(A) |
申请公布日期 |
2000.06.20 |
申请号 |
US19980208228 |
申请日期 |
1998.12.09 |
申请人 |
OBERTHUR GAMING TECHNOLOGIES INC |
发明人 |
HOLMAN, STEPHEN JOHN;GOUGEON, FRANCOIS |
分类号 |
A63F3/06;(IPC1-7):B42D15/00 |
主分类号 |
A63F3/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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