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Class Information
Number: 446/125
Name: Amusement devices: toys > Construction toy > Interfitting elements > Including identically shaped interfitting portions
Description: Device wherein the distinctly shaped portion of one part is adapted to cooperatively engage a distinctly shaped portion on a second part or connector, wherein the two portions are alike in pattern and contour.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8690631 Toy building block with embedded integrated circuit Apr. 8, 2014
8651914 Snap-lock construction toy Feb. 18, 2014
8524076 Fluid purification unit and fluid purification assembly including the same Sep. 3, 2013
8495850 Building block assembly Jul. 30, 2013
8181960 Reciprocally linked nesting structure May. 22, 2012
8172636 Playground hoop-holding apparatus May. 8, 2012
8157608 One-piece polyhedral construction modules Apr. 17, 2012
8052587 Yoga brick Nov. 8, 2011
8007338 Construction system and applications thereof Aug. 30, 2011
7797890 Interlocking floor tiles with mushroom shaped connectors Sep. 21, 2010
7789727 Novelty device having elastomeric protrusions with sound producing terminations Sep. 7, 2010
7785170 Novelty device having elastomeric protrusions with hard plastic terminations and its associated method of construction Aug. 31, 2010
7770340 Method and apparatus for installing egress window steps Aug. 10, 2010
7469898 Geometric puzzle kits Dec. 30, 2008
7311579 Block set for assembling a solid creation and apparatus for fabricating block for assembling solid creation Dec. 25, 2007
7267598 Interfacings between block type and rod and connector type construction toy sets Sep. 11, 2007
7118442 Construction members for three-dimensional assemblies Oct. 10, 2006
7108577 Wedge-lock building blocks Sep. 19, 2006
6935075 Triangular stackable building wall module and method Aug. 30, 2005
6790118 Block set for educational purposes Sep. 14, 2004
6702642 Body for use in a toy set Mar. 9, 2004
6679780 Polyomino piece for games Jan. 20, 2004
6672931 Interconnectable model construction elements Jan. 6, 2004
6659463 Interconnecting miniature toy figurine bases with record tracking system Dec. 9, 2003
6622447 Modular hub and strut structural system Sep. 23, 2003
6585553 Toy building set Jul. 1, 2003
6571525 Construction block Jun. 3, 2003
6554678 Sculptural toy Apr. 29, 2003
6508038 Modular tenon and slot mortise building blocks for habitable shelters Jan. 21, 2003
6478650 Toy construction kit having movable members Nov. 12, 2002
6447360 Interconnection of toy building elements in a releasable restraining engagement Sep. 10, 2002
6439571 Puzzle Aug. 27, 2002
6422909 Genderless construction system Jul. 23, 2002
6398612 Construction toy interconnector Jun. 4, 2002
6386542 Unique puzzle and puzzle piece May. 14, 2002
6296541 Toy capsule Oct. 2, 2001
6286287 Converted wood articles Sep. 11, 2001
6280282 Toy building set Aug. 28, 2001
6253712 Positionable and expandable tube system having slotted tube segments Jul. 3, 2001
6231416 Genderless construction system May. 15, 2001
6186856 Toy of equilateral triangular building blocks Feb. 13, 2001
6152797 Interconnectable space filling model Nov. 28, 2000
6142848 Educational toy components Nov. 7, 2000
6086444 Block-type construction toy Jul. 11, 2000
6050044 Building block Apr. 18, 2000
6033282 Multipurpose built-up measuring device Mar. 7, 2000
5961365 Connectors for a modular building set Oct. 5, 1999
5897417 Construction system Apr. 27, 1999
5895304 Toy constructor kit for sand structures Apr. 20, 1999
5853314 Toy building block Dec. 29, 1998

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