USD786509SActiveUtility

Welding helmet having a button

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Assignee: 3M INNOVATIVE PROPERTIES COPriority: Aug 28, 2014Filed: Aug 28, 2014Granted: May 9, 2017
Est. expiryAug 28, 2034(~8.1 yrs left)· nominal 20-yr term from priority
Inventors:Niklas LilenthalMartin BirathOskar Juhlin
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PatentIndex Score
0
Cited by
31
References
1
Claims

Claims

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

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