USD517745SExpiredUtility

Chin portion of welding helmet visor

92
Assignee: 3M INNOVATIVE PROPERTIES COPriority: Nov 12, 2004Filed: Nov 12, 2004Granted: Mar 21, 2006
Est. expiryNov 12, 2024(expired)· nominal 20-yr term from priority
Inventors:Peter LeeDesmond T. CurranDaniel J. Martin
92
PatentIndex Score
47
Cited by
26
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a chin portion of welding helmet visor, as shown and described.

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