Outer protection plate for a welding helmet
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Description
The broken line showing forms no part of the claimed design, and the shading is provided to illustrate contour only and is not an indication of texture, gloss, etc.
Claims
The ornamental design for an outer protection plate for a welding helmet, as shown and described.
Referenced Cited
Patent History
Patent number: D875321
Type: Grant
Filed: Oct 26, 2018
Date of Patent: Feb 11, 2020
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (St. Paul, MN)
Inventors: Linus P. Bastman (Orsa), Emil R. Eriksson (Falun), Johan M. P. Hansson (Borlänge), Marcus T. R. Wiederkehr (Leksand)
Primary Examiner: Randall H Gholson
Application Number: 29/668,010
Type: Grant
Filed: Oct 26, 2018
Date of Patent: Feb 11, 2020
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (St. Paul, MN)
Inventors: Linus P. Bastman (Orsa), Emil R. Eriksson (Falun), Johan M. P. Hansson (Borlänge), Marcus T. R. Wiederkehr (Leksand)
Primary Examiner: Randall H Gholson
Application Number: 29/668,010
Classifications
Current U.S. Class:
Element Or Attachment (D29/122)