USD793009SActiveUtility

Welders' mask

51
Assignee: NINGO GEOSTAR PHOTOELECTRIC TECH CO LTDPriority: Apr 29, 2016Filed: Apr 29, 2016Granted: Jul 25, 2017
Est. expiryApr 29, 2036(~9.7 yrs left)· nominal 20-yr term from priority
Inventors:Zhaolin Yang
51
PatentIndex Score
6
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a welders' mask, as shown.

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