Patent ID: 9364767
Filing Date: 2016-06-14
CPC Classification: A63H

Claim Text:
1. A toy building block, comprising: a planar material comprising an upper surface, a first and second sidewall surface opposedly connected to said upper surface, and a first and second end wall surface opposedly connected to said upper surface; said side wall surfaces and said end wall surfaces mating with said upper surface along a fold line; wherein said side wall surfaces and said end wall surfaces are hingably connected to said upper surface along said fold line; said upper surface, side wall, and end wall surfaces comprising largely rectangular shapes such that when folded along said fold line, said surfaces form a cuboid shape with an entirely open lower end; said upper surface comprising at least one protrusion element adapted to fit within the dimensions of said open lower end; said open lower end opposing said upper surface configured to receive at least one protrusion element of a second toy building block; and connector elements for removably securing adjacent end wall and side walls edges; wherein said connector elements further comprises a tab element positioned along said sidewalls edges and a tab receiving element positioned along said end wall edges; wherein said tab element having a perimeter ledge along an interior surface that is bounded by an upstanding ledge about said interior surface; wherein said tab receiving element having a perimeter channel to accept a tab flange therein, said channel bounding an elevated interior surface adapted to abut said tab interior surface; wherein said tab element further includes a male snap element disposed at a central location thereof and said tab receiving element includes a female snap element at a central location thereof adapted to receive said male snap element therein; wherein said tab element is flush with said end wall surface when said female snap element receives said male snap element.