发明名称 Apparatus for constructing crossword puzzles
摘要 An apparatus for constructing crossword puzzles includes a two-piece housing including a base portion and a cover portion, the base portion including a work area surface of metal or the like for receiving one of a plurality of grid members which defines a rectangular grid of squares extending in rows and columns thereon, the grid member being secured to the work area surface by a plurality of magnetic corner pieces, and a crossword puzzle being developed on the grid member using magnetic letters and blank spacer pieces which are normally stored in compartments defined by the base portion of the housing.
申请公布号 US4828499(A) 申请公布日期 1989.05.09
申请号 US19870086684 申请日期 1987.08.18
申请人 MODZAK, STELLA M. 发明人 MODZAK, STELLA M.
分类号 A63F3/04;A63F9/00;A63F9/34 主分类号 A63F3/04
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