USD911035SActiveUtility

Dust cleaning brush

41
Assignee: ZHOU DEHUAPriority: Mar 12, 2019Filed: Mar 12, 2019Granted: Feb 23, 2021
Est. expiryMar 12, 2039(~12.6 yrs left)· nominal 20-yr term from priority
Inventors:Dehua Zhou
41
PatentIndex Score
3
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a dust cleaning brush, as shown and described.

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