Patent
   D674150
Priority
Mar 10 2010
Filed
Aug 31 2010
Issued
Jan 08 2013
Expiry
Jan 08 2027
Assg.orig
Entity
unknown
44
47
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 right side view thereof, the left side view being a mirror image thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

In the drawings, the broken lines in FIGS. 1-6 depict portions of the design that form no part of the claim.

Juhlin, Oskar, Birath, Martin, Daniels, Björn

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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 31 20103M Innovative Properties Company(assignment on the face of the patent)
Oct 20 2010JUHLIN, OSKAR3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0252450993 pdf
Oct 20 2010BIRATH, MARTIN3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0252450993 pdf
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