US2003209854A1PendingUtilityA1

3D jigsaw puzzle

45
Priority: May 10, 2002Filed: May 10, 2002Published: Nov 13, 2003
Est. expiryMay 10, 2022(expired)· nominal 20-yr term from priority
Inventors:Shih-Hung Chuang
A63F 9/1208A63F 2009/124
45
PatentIndex Score
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Cited by
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References
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Claims

Abstract

A three dimensional jigsaw puzzle has pieces with protrusions and cutouts. The protrusions and cutouts of every two adjacent pieces correspond to each other. Each piece is a tangential area of a sphere so that when the pieces are all combined, the sphere is formed.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A three dimensional jigsaw puzzle comprising: 
 a sphere composed of multiple pieces, each piece having protrusions and cutouts, wherein the protrusions and cutouts of every two adjacent pieces correspond to each other so that when all the pieces are combined, the sphere is recreated.    
     
     
         2 . The three dimensional jigsaw puzzle as claimed in  claim 1 , wherein each of the pieces has a unitary thickness.  
     
     
         3 . The three dimensional jigsaw puzzle as claimed in  claim 2 , wherein each of the pieces is a tangential area of the sphere.

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