Welding helmet feature contour
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Description
The broken lines shown in the drawings represent portions of the welding helmet feature contour that form no part of the claimed design.
Claims
The ornamental design for a welding helmet feature contour, as shown and described.
Patent History
Patent number: D677436
Type: Grant
Filed: Jul 26, 2012
Date of Patent: Mar 5, 2013
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Oskar Juhlin (Gustavsberg), Martin Birath (Lidingö), Björn Daniels (Vikarbyn)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/428,100
Type: Grant
Filed: Jul 26, 2012
Date of Patent: Mar 5, 2013
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Oskar Juhlin (Gustavsberg), Martin Birath (Lidingö), Björn Daniels (Vikarbyn)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/428,100
Classifications
Current U.S. Class:
Element Or Attachment (D29/122)