Sectional cubic block
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United States of America Patent
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N/A
Issued Date -
Jan 16, 2003
app pub date -
Jul 10, 2001
filing date -
Jul 10, 2001
priority date (Note) -
Abandoned
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Abstract
A sectional cubic block includes a plurality of layers of structural elements, a smallest one of which is an elementary cube and the other ones are proportionally increased in dimensions based on the elementary cube and all include three plane walls that separately extend in directions of x, y and z axes and therefore define an inner space adapted to receive a next smaller structural elements therein. Each of the structural elements, except the smallest one, is formed from a plurality of elementary frames sequentially proportionally increased in dimensions based on the elementary cube. Each of the elementary frames includes three continued right-angled parts that are respectively included in three planes extended in the directions of x, y and z axes. This particular configuration of the elementary frames enables children to freely stack the elementary frames to create many changeful shapes.
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