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Class Information
Number: D21/501
Name: Games, toys, and sports goods > Toy > Representation or scale model > Construction type (e.g., building block) > Rectangular (e.g., rectilinear form) > Including open area
Description: Design that includes a nonenclosed space.

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
D695849 Construction set element Dec. 17, 2013
D695850 Piece for a construction set Dec. 17, 2013
D693416 Connector for a construction kit Nov. 12, 2013
D689956 Toy building block Sep. 17, 2013
D686676 Building block Jul. 23, 2013
8382548 Toy building blocks Feb. 26, 2013
D676497 Section for use with a toy playset Feb. 19, 2013
D676496 Base for a toy playset Feb. 19, 2013
D668302 Brick for play Oct. 2, 2012
D632346 Toy element Feb. 8, 2011
D624605 Toy block Sep. 28, 2010
D620989 Toy building set element Aug. 3, 2010
D618737 Toy construction set element Jun. 29, 2010
D616506 Element of a toy construction set May. 25, 2010
D616505 Element of a construction set May. 25, 2010
D616045 Female toy building block May. 18, 2010
D616046 Toy block May. 18, 2010
D616044 Male toy building block May. 18, 2010
D614707 Element for a toy construction set Apr. 27, 2010
D614250 Element of a construction set Apr. 20, 2010
D612434 Element for a building set Mar. 23, 2010
D609282 Toy building element Feb. 2, 2010
D600291 Toy building brick Sep. 15, 2009
D598505 Interlocking toy Aug. 18, 2009
D588651 Interlocking toy Mar. 17, 2009
D577776 Magnetic toy construction element Sep. 30, 2008
D570425 Interconnecting block Jun. 3, 2008
D528869 Inverted bottle holder Sep. 26, 2006
D517617 Assembly block Mar. 21, 2006
D517615 Assembly block Mar. 21, 2006
D516635 Assembly block Mar. 7, 2006
D516636 Assembly block Mar. 7, 2006
D442647 Building block module May. 22, 2001
D442236 Building block module May. 15, 2001
D437622 Building block module Feb. 13, 2001
D437011 Building block module Jan. 30, 2001
D422035 Toy lattice frame piece Mar. 28, 2000
D417705 Toy-block with sidewall rail guide means Dec. 14, 1999
D413943 Toy-block with multi-directional rail guide means Sep. 14, 1999
D411864 Toy building element Jul. 6, 1999
D410704 Toy building element Jun. 8, 1999
D409679 Toy building element May. 11, 1999
D403028 Beam in a building structure providing paths of movement for a toy vehicle Dec. 22, 1998
D394465 Toy building element May. 19, 1998
D385589 Toy building element Oct. 28, 1997
D384991 Toy building element Oct. 14, 1997
D383176 Toy building element Sep. 2, 1997
D379523 Building block for construction or children's toy May. 27, 1997
D370504 Multi-orificed toy construction block Jun. 4, 1996
D369838 Toy building element May. 14, 1996

1 2

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