Patent
   D735951
Priority
Aug 28 2014
Filed
Aug 28 2014
Issued
Aug 04 2015
Expiry
Aug 04 2029
Assg.orig
Entity
unknown
25
38
n/a
The ornamental design for a welding helmet, as shown and described.

FIG. 1 is a perspective view of a welding helmet showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a bottom view thereof.

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.

Juhlin, Oskar E., Birath, Martin L. E.

Patent Priority Assignee Title
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D584008, Nov 15 2007 3M Innovative Properties Company Welding helmet front opening
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 28 20143M Innovative Properties Company(assignment on the face of the patent)
Sep 10 2014BIRATH, MARTIN L E 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0338150073 pdf
Sep 25 2014JUHLIN, OSKAR E 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0338150073 pdf
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