发明名称 Three dimensional jigsaw puzzle
摘要 A three dimensional jigsaw comprised of a plurality of single-layered and multi-layered interlocking puzzle pieces which combine to form, when the puzzle is assembled, a plurality of superimposed, concentric planer layers of differing surface area is disclosed. When the puzzle is properly assembled, a continuous homogenous pictoral illustration is displayed on the surface of each visable planar layer of the puzzle.
申请公布号 US4469331(A) 申请公布日期 1984.09.04
申请号 US19820426870 申请日期 1982.09.29
申请人 RINKER, JAMES K. 发明人 RINKER, JAMES K.
分类号 A63F9/12;(IPC1-7):A63F9/12 主分类号 A63F9/12
代理机构 代理人
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