Toy building block

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

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

FIG. 2 is a side elevational view thereof; the side opposite being a mirror image;

FIG. 3 is a front elevational view thereof; the side opposite being a mirror image, and

FIG. 4 is a top plan view thereof; the side opposite being identical.

Patent	Priority	Assignee	Title
D334815,	Sep 24 1990	MOBILE MINI, INC	Corner connector for a modular storage container
D368744,	Jun 08 1994		Children's building block
D594512,	Jul 02 2008	ROCKWELL ARCHITECTURE, PLANNING AND DESIGN, P C	Play construction kit
D697146,	Apr 23 2012	Rockwell Architecture, Planning & Design, P.C.	Play construction kit
D786364,	May 20 2016	Rockwell Architecture, Planning and Design, P.C.	Play construction kit
D815700,	Sep 14 2016	thinkOperations, LLC	Combined yoga block and roller
D872199,	May 01 2018	Bright Day LLC	Therapeutic exercise kit
D887505,	Dec 19 2017	One Whirl LLC	Compartmental yoga block
D917422,	Nov 19 2020	SHENZHEN SHENGDI DEVELOPMENT CO , LTD	Earphone holder
D932559,	Jan 17 2019	ASAO CO , LTD	Toy block
D933756,	Sep 19 2017	MODU ApS	Building block from a toy building set
ER3923,

Patent	Priority	Assignee	Title
3188693,
4758195,	Sep 08 1986	3 W DESIGNERS, INC , 7 HIGHLAND STREET, AUBURN, NY , 13021-2005, A CORP OF NY	Elastomeric foam building units
CH248832,
D272255,	May 08 1978	Kawada Co., Ltd.	Toy block

Executed on

Assignor

Assignee

Conveyance

Frame

Reel

Doc

n/a

Date	Maintenance Fee Events

n/a

Date	Maintenance Schedule