Building block

I claim the ornamental design for a building block, as shown and described.

FIG. 1 is a perspective view from the top and the left of a building block showing my new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a front elevation view thereof; and,

FIG. 4 is a right side elevation view thereof.

Patent	Priority	Assignee	Title
D505732,	Jan 06 2004	Hector Tile Company, Inc.; HECTOR TILE COMPANY, INC	Landscape edging blocks
D506013,	May 12 2004	Hector Tile Company, Inc.	Landscape edging blocks
D515710,	May 12 2004	Hector Tile Company, Inc.	Landscape edging blocks
D515711,	May 12 2004	Hector Tile Company, Inc.	Landscape edging block
D521654,	Jan 06 2004	Hector Tile Company, Inc.	Landscape edging blocks
D585566,	Aug 21 2007	SIMBLOC INC	Interlocking curb block
D860478,	Jul 24 2018		Construction block
D902444,	Jul 24 2018	ASURO CO , LTD	Concrete building block

Patent	Priority	Assignee	Title
5257880,	Jul 26 1990	ANCHOR WALL SYSTEMS, INC	Retaining wall construction and blocks therefor
5261760,	Mar 10 1992	OLDCASTLE BUILDING PRODUCTS CANADA INC	Precast curb section
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184747,
D250484,	Dec 13 1976		Building block
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D473954,	Feb 28 2002	MONDO POLYMER TECHNOLOGIES, INC	Offset block

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Jan 13 2009	STENEKES, SIMON	SIMBLOC INC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	022117	0179	pdf

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