Welding helmet
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The broken lines illustrate the environmental structure and form no part of the claimed design.
Claims
The ornamental design for a welding helmet, as shown and described.
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- 3M Speedglas 9100 Welding Helmet, Optimum Comfort and Protection Brochure, St. Paul, MN, 3M 2008.
Type: Grant
Filed: Oct 20, 2016
Date of Patent: Dec 4, 2018
Assignee: ESAB AB (Gotenborg)
Inventor: Josefin Ambring (Gothenburg)
Primary Examiner: Robert A Delehanty
Application Number: 29/581,640