USD525395SExpiredUtility

Welding helmet lens frame

60
Assignee: 3M INNOVATIVE PROPERTIES COPriority: Aug 9, 2005Filed: Aug 9, 2005Granted: Jul 18, 2006
Est. expiryAug 9, 2025(expired)· nominal 20-yr term from priority
Inventors:Jonas FridholmOskar JuhlinNiklas LilenthalKjell I. MasesDavid CrafoordRutger BelinLennart C. Fredriksson
60
PatentIndex Score
12
Cited by
46
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a welding helmet lens frame, as shown and described.

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