USD908205SActiveUtility

Air filtering mask

67
Assignee: HWANG GWO TZONGPriority: Mar 16, 2017Filed: Mar 16, 2017Granted: Jan 19, 2021
Est. expiryMar 16, 2037(~10.6 yrs left)· nominal 20-yr term from priority
Inventors:Gwo-Tzong Hwang
67
PatentIndex Score
17
Cited by
35
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for an air filtering mask, as shown and described.

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