USD524992SExpiredUtility

Pair of welding helmet visor flanges

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Assignee: 3M INNOVATIVE PROPERTIES COPriority: Aug 9, 2005Filed: Aug 9, 2005Granted: Jul 11, 2006
Est. expiryAug 9, 2025(expired)· nominal 20-yr term from priority
Inventors:Rutger BelinLennart C. FredrikssonJonas FridholmOskar JuhlinNiklas LilenthalKjell I. MasesDavid Crafoord
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PatentIndex Score
21
Cited by
49
References
1
Claims

Claims

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

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