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Toy building block

59
Assignee: SHANGHAI PUTAO TECH CO LTDPriority: Aug 24, 2017Filed: Feb 23, 2018Granted: Mar 17, 2020
Est. expiryAug 24, 2037(~11.1 yrs left)· nominal 20-yr term from priority
Inventors:Lei XieXiang Zhang
59
PatentIndex Score
7
Cited by
24
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a toy building block, as shown and described.

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