发明名称 Sectional chessboard
摘要 A sectional chessboard includes a number of sections corresponding to blocks of a chessboard which are formed by injection molding or press work and each section of the chessboard has protrusions and grooves around all sides thereof to be respectively engaged with grooves and protrusions of other sections so that all adjoining sides of each section is jointed together for playing chess as a complete chessboard, wherein it becomes possible to reduce the bulk of the chessboard so that users may conveniently carry them anywhere to play chess and the manufacturing cost may be reduced.
申请公布号 US5871212(A) 申请公布日期 1999.02.16
申请号 US19970941021 申请日期 1997.09.30
申请人 LEE, KI-SUK 发明人 LEE, KI-SUK
分类号 A63F3/00;A63F3/02;A63F9/10;A63F9/12;(IPC1-7):A63F3/02 主分类号 A63F3/00
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