Title:
THREE-DIMENSIONAL LAYERED JIGSAW PUZZLE
Document Type and Number:
Japanese Patent JP2005177052
Kind Code:
A
Abstract:
To provide a three-dimensional jigsaw puzzle in which the strengths and durability of small pieces are kept.
This three-dimensional jigsaw puzzle composed of layering includes a plurality of the small pieces 11 superposed on one another, and each small piece has a size different from the other small pieces. Each small piece has a boss 110 on its upper surface and has a recessed place 111 for receiving the boss of an adjacent small piece on its bottom surface.
Inventors:
SHO SEIKO
Application Number:
JP2003420508A
Publication Date:
July 07, 2005
Filing Date:
December 18, 2003
Export Citation:
Assignee:
SHO SEIKO
International Classes:
A63F9/12; A63H33/00; (IPC1-7): A63H33/00
Attorney, Agent or Firm:
Nobuyuki Matsunaga
Soichi Kogo
Reitaro Sato
Soichi Kogo
Reitaro Sato