USD654634SActiveUtility

Welding helmet

92
Assignee: WU ZIQIANPriority: Jul 22, 2011Filed: Jul 22, 2011Granted: Feb 21, 2012
Est. expiryJul 22, 2031(~5 yrs left)· nominal 20-yr term from priority
Inventors:Ziqian Wu
92
PatentIndex Score
53
Cited by
30
References
1
Claims

Claims

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

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