Welding helmet frame
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Description
The broken lines form no part of the claimed design.
Claims
The ornamental design for a welding helmet frame, as shown and described.
Referenced Cited
Patent History
Patent number: D584009
Type: Grant
Filed: Jan 31, 2008
Date of Patent: Dec 30, 2008
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Oskar E. Juhlin (Gustavsberg)
Primary Examiner: Ruth McInroy
Attorney: Anna A. Wetzels
Application Number: 29/303,055
Type: Grant
Filed: Jan 31, 2008
Date of Patent: Dec 30, 2008
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Oskar E. Juhlin (Gustavsberg)
Primary Examiner: Ruth McInroy
Attorney: Anna A. Wetzels
Application Number: 29/303,055
Classifications
Current U.S. Class:
Element Or Attachment (D29/122)