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Browse by Category: Main > Entertainment & Recreation
Class Information
Number: 273/160
Name: Amusement devices: games > Puzzles > Take-aparts and put-togethers > Mortised blocks
Description: Puzzles in which the parts of an interconnected whole are formed of interfitting mortised sections in the form of blocks.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8402710 Modular building blocks and building block systems Mar. 26, 2013
8197917 Decoration Jun. 12, 2012
8181960 Reciprocally linked nesting structure May. 22, 2012
7832732 Game with interlocking game pieces Nov. 16, 2010
7469898 Geometric puzzle kits Dec. 30, 2008
7040621 Intellectual building base plate assembling game device May. 9, 2006
6910691 Cubic puzzle Jun. 28, 2005
6878059 Cube insertion game Apr. 12, 2005
6679496 Activity-directed stacking piece game Jan. 20, 2004
6460850 Cube puzzle Oct. 8, 2002
6439945 Octopus-shaped built-up toy Aug. 27, 2002
6382625 Combination puzzle and product holder May. 7, 2002
6293547 Multi-dimensional puzzle Sep. 25, 2001
6203015 Puzzle and method of assembly Mar. 20, 2001
6164649 Puzzle Dec. 26, 2000
6095521 Three-dimensional puzzle Aug. 1, 2000
6050566 Chromaticube: a transparent colored three-dimensional puzzle Apr. 18, 2000
6029383 Sectional photo display cube Feb. 29, 2000
6022026 Method of playing a stacking block game and game blocks therefor Feb. 8, 2000
5988639 Puzzle device Nov. 23, 1999
5941527 Three dimensional strategy game Aug. 24, 1999
5908342 Three dimensional connector Jun. 1, 1999
5895045 Modular card construction toy Apr. 20, 1999
5827104 Constructional toy pieces Oct. 27, 1998
5826873 Three dimensional puzzles Oct. 27, 1998
5823533 Puzzles in two and three dimensions Oct. 20, 1998
5799943 Three-dimensional word game Sep. 1, 1998
5762336 Three dimensional interlocking puzzle Jun. 9, 1998
5762530 Constructional toy pieces Jun. 9, 1998
5685120 Building system Nov. 11, 1997
5681041 Three dimensional puzzle Oct. 28, 1997
5649703 Cubist puzzle cartridge Jul. 22, 1997
5605486 Three-dimensional model structures Feb. 25, 1997
5580056 Block puzzle illusion of matter created and destroyed Dec. 3, 1996
5564703 Block and pin puzzle toy Oct. 15, 1996
5544882 Puzzle including overlaying puzzle pieces Aug. 13, 1996
5443263 Spacial component configuration system Aug. 22, 1995
5419558 Puzzle box with hand tool May. 30, 1995
5405135 Block puzzle Apr. 11, 1995
5403005 Game and puzzle board Apr. 4, 1995
5393063 Cube puzzle Feb. 28, 1995
5330186 Puzzle box Jul. 19, 1994
5251900 Three-dimensional puzzle structure Oct. 12, 1993
5230508 Jigsaw puzzle Jul. 27, 1993
5152530 Bolt block puzzle apparatus Oct. 6, 1992
5118111 Spherical puzzle Jun. 2, 1992
5106093 Puzzle amusement device Apr. 21, 1992
5040797 Block puzzle Aug. 20, 1991
5000713 Combinable toy blocks Mar. 19, 1991
4991726 Support stand Feb. 12, 1991

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