USD894394SActiveUtility

Breathing filter

80
Assignee: SHENZHEN AIDIANSHENG TECH CO LTDPriority: May 12, 2020Filed: May 12, 2020Granted: Aug 25, 2020
Est. expiryMay 12, 2040(~13.8 yrs left)· nominal 20-yr term from priority
Inventors:Yunlong Huang
80
PatentIndex Score
12
Cited by
22
References
1
Claims

Claims

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

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