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公开(公告)号:US4531741A
公开(公告)日:1985-07-30
申请号:US625132
申请日:1984-06-27
申请人: David A. Eskina
发明人: David A. Eskina
CPC分类号: A63F9/10 , A63F2009/0695 , A63F2009/0697
摘要: A puzzle which includes five interfitting pieces, four of which can be interfitted to collectively form a square and all five of which can be interfitted to collectively form a larger square.
摘要翻译: 一个谜题,包括五个相互连接的部分,其中四个可以互相组合,共同形成一个正方形,其中五个可以互相组合,共同形成一个较大的方形。