Building block
Description
Claims
The ornamental design for a building block, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D967281
Type: Grant
Filed: Dec 20, 2021
Date of Patent: Oct 18, 2022
Inventor: Linshuang Wang (Shenzhen)
Primary Examiner: Jack Reickel
Assistant Examiner: Salamah Jordan
Application Number: 29/820,002
Type: Grant
Filed: Dec 20, 2021
Date of Patent: Oct 18, 2022
Inventor: Linshuang Wang (Shenzhen)
Primary Examiner: Jack Reickel
Assistant Examiner: Salamah Jordan
Application Number: 29/820,002
Classifications
Current U.S. Class:
Coordination Or Hand-manipulative Type (D21/468)