发明名称 |
Playing cards for an educational game |
摘要 |
A pack of playing cards for an educational game comprises a number of sets of cards exactly equal to the number of faces on a die. Each card has a front and rear face, each rear face being identical to each other. Each card has disposed on the front face at least one question and answer and a depiction of at least one die-face, the number represented by the die-face being credited to a player correctly answering the question on the card during the game. Each card of each set has disposed thereon the depiction of the same die-face, the die-face being different in each set, and there being equal numbers of cards in each set.
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申请公布号 |
US5836587(A) |
申请公布日期 |
1998.11.17 |
申请号 |
US19960664178 |
申请日期 |
1996.06.14 |
申请人 |
DRUCE, HARRY FREDERICK;DRUCE, JOHN MICHAEL |
发明人 |
DRUCE, HARRY FREDERICK;DRUCE, JOHN MICHAEL |
分类号 |
A63F1/04;A63F3/00;A63F9/00;A63F9/18;A63F11/00;G09B1/32;G09B3/02;G09B19/00;G09B19/02;G09B19/08;(IPC1-7):A63F1/00 |
主分类号 |
A63F1/04 |
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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