USD446887SExpiredUtility

Welding mask

82
Assignee: OTOS OPTICAL CO LTDPriority: Sep 24, 1999Filed: Sep 24, 1999Granted: Aug 21, 2001
Est. expirySep 24, 2019(expired)· nominal 20-yr term from priority
Inventors:Huh Moon Young
82
PatentIndex Score
49
Cited by
7
References
1
Claims

Claims

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

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