发明名称 SCRATCH-OFF GAME CARD INCLUDING INK FOR MAKING MARKINGS THEREON AND METHOD OF MAKING THE SAME
摘要 A scratch off game card includes first and second sections. The first section (10) is provided with a first set of game data (24) covered by a substantially opaque scratch off material (12). The second section (13) is provided with a second set of game data (22) covered by a substantially transparent material. The game card has provided thereon a patch of marking formulation (21) for marking selected areas of the second section.
申请公布号 WO9638211(A1) 申请公布日期 1996.12.05
申请号 WO1996US07947 申请日期 1996.05.31
申请人 WEBCRAFT TECHNOLOGIES, INC.;SILVERSCHOTZ, STANFORD, B. 发明人 SILVERSCHOTZ, STANFORD, B.
分类号 A63F3/06;A63F9/24;(IPC1-7):A63F3/06 主分类号 A63F3/06
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