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Document Number
US Patent 6231345
Issued Date
May 15, 2001
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Abstract
A shape fitting toy comprising: a plurality of blocks having different types of shapes from each other, and a block selection part having a plurality of block passing holes each of which has a shape corresponding to one of the blocks having a plurality of different shapes and can pass only a corresponding one of the blocks. Each of the different types of shapes of the blocks is selected from a group consisting of a sphere and various types of regular polyhedrons.
Drawing
Shape fitting toy - US Patent 6231345 Drawing
Drawing from US Patent 6231345
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Number of Claims:
18
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Owner
Published
May 15, 2001
Application Number
09/447,054
Filed
November 23, 1999
US Classification
434/259   446/76
Int'l Classification
A63H   33/00   (20060101)  
Examiner
Attorney/Law Firm
Priority Data
Feb 12, 1998 [JP] 10-343420
USPTO Field of Search
446/1   446/69   446/71   446/73   446/74   446/75   446/76   446/489   439/259   439/258   439/211  
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Description
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