USD527849SExpiredUtility

Welding mask

84
Assignee: OTOS TECH CO LTDPriority: Feb 9, 2005Filed: Feb 9, 2005Granted: Sep 5, 2006
Est. expiryFeb 9, 2025(expired)· nominal 20-yr term from priority
Inventors:Moon Young Huh
84
PatentIndex Score
31
Cited by
16
References
1
Claims

Claims

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

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