US D1,071,004 S
Toy building block
Xiaogang Wu, Shenzhen (CN)
Assigned to Loopals Corp
Filed by Loopals Corp, Arcadia, CA (US)
Filed on Apr. 11, 2023, as Appl. No. 29/889,311.
Term of patent 15 Years
LOC (15) Cl. 21 - 01
U.S. Cl. D21—503
OG exemplary drawing
 
The ornamental design for a toy building block, as shown and described.