USD781508SActiveUtility

Sight glass of welding mask

94
Assignee: OTOS WING CO LTDPriority: Mar 4, 2016Filed: Mar 4, 2016Granted: Mar 14, 2017
Est. expiryMar 4, 2036(~9.6 yrs left)· nominal 20-yr term from priority
Inventors:Moon Young Huh
94
PatentIndex Score
50
Cited by
9
References
1
Claims

Claims

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

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