Welding helmet
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Description
The claim is directed to only the solid outline of the helmet, the surface area surrounding the solid line forms no part of the claimed design. The broken lines shown in the drawings represent portions of the welding helmet that form no part of the claimed design.
Claims
The ornamental design for a welding helmet, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D735951
Type: Grant
Filed: Aug 28, 2014
Date of Patent: Aug 4, 2015
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Martin L. E. Birath (Lidingo), Oskar E. Juhlin (Gustavsberg)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/500,769
Type: Grant
Filed: Aug 28, 2014
Date of Patent: Aug 4, 2015
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Martin L. E. Birath (Lidingo), Oskar E. Juhlin (Gustavsberg)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/500,769
Classifications
Current U.S. Class:
Element Or Attachment (D29/122)