Building block
Description
Claims
The ornamental design for a building block, as shown.
Referenced Cited
Patent History
Patent number: D714401
Type: Grant
Filed: Jan 29, 2014
Date of Patent: Sep 30, 2014
Inventor: Chia-Yen Lin (Dongguan)
Primary Examiner: Cynthia M Chin
Application Number: 29/480,720
Type: Grant
Filed: Jan 29, 2014
Date of Patent: Sep 30, 2014
Inventor: Chia-Yen Lin (Dongguan)
Primary Examiner: Cynthia M Chin
Application Number: 29/480,720
Classifications
Current U.S. Class:
Cube (D21/499)