发明名称 Pyramid shaped puzzle
摘要 A pyramid-shaped puzzle including a plurality of maze-panels intermediate the vertex and base of the pyramid, each maze-panel having a plurality of holes through it. One or more balls is dropped through an opening in the vertex and the puzzle is manipulated by a player to guide the ball to a designated location in the base.
申请公布号 US4657255(A) 申请公布日期 1987.04.14
申请号 US19850808359 申请日期 1985.12.12
申请人 SERES, ZOLTAN S. 发明人 SERES, ZOLTAN S.
分类号 A63F7/04;(IPC1-7):A63B67/14 主分类号 A63F7/04
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