发明名称 LETTER BLOCKS
摘要 PURPOSE: Character blocks are provided to not only improve the intellectual learning and creativity of children but also help rehabilitation treatment for disabled persons and prevent an aged from dementia by creating various characters. CONSTITUTION: A coupling hole(201) and a coupling piece(202) are formed on a side portion(200) of 22 kinds of each block. A Hangul, an alphabet, a number, and a Chinese character are created by coupling side portions of each block having some level difference. The quantity of the coupling hole and the coupling piece is changed and applied according to a thickness of the block or the property of a material.
申请公布号 KR20120050920(A) 申请公布日期 2012.05.21
申请号 KR20110132562 申请日期 2011.12.12
申请人 OH, SANG DON 发明人 OH, SANG DON
分类号 G09B1/16;G09B1/40 主分类号 G09B1/16
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