Toy building block

The ornamental design for a toy building block, as shown and described.

FIG. 1 is a front perspective view of a toy building block showing my new design;

FIG. 2 is a perspective view of the side opposite that shown in FIG. 1;

FIG. 3 is a front perspective view of a modified embodiment of the design shown in FIGS. 1 and 2; and,

FIG. 4 is a perspective view of the side opposite that shown in FIG. 3.

Patent	Priority	Assignee	Title
6733421,	Sep 24 1999		Hand rehabilitation device and method for the use thereof
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D288380,	Jul 23 1984	General Foods Corporation	Cereal piece
D343427,	Jan 13 1992		Toy building block
D344302,	Nov 24 1992	LEGO A S	Element for a toy buidling set
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D733993,	Dec 01 2011	Intercontinental Great Brands LLC	Confectionary
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D823400,	Apr 01 2016	BAKOBA APS	Set of construction toy pieces
D845400,	Oct 24 2017		Toy building block
D869568,	Oct 24 2017		Toy building block
D869569,	Oct 24 2017		Toy building block
D901598,	Jul 02 2019		Inflatable building block
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ER3923,

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Jun 24 1982	PETERSSON, NILS A I	BRIO TOY AB, A CORP OF SWEDEN	ASSIGNMENT OF ASSIGNORS INTEREST	004052	0960	pdf
Jul 16 1982		Brio Toy AB	(assignment on the face of the patent)

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