USD669227SActiveUtility

Welding helmet

Assignee: WANG XUEGANGPriority: May 3, 2011Filed: May 3, 2011Granted: Oct 16, 2012

Est. expiryMay 3, 2031(~4.7 yrs left)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a welding helmet, as shown and described.

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