Patent
   D834259
Priority
Apr 12 2017
Filed
Apr 12 2017
Issued
Nov 20 2018
Expiry
Nov 20 2033
Assg.orig
Entity
unknown
9
6
n/a
The ornamental design for a welding helmet, as shown and described.

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

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of portions of the welding helmet in FIGS. 1-7 is for the purpose of illustrating environmental structure and forms no part of the claimed design. The oblique line shading shown in FIGS. 1-4 represents a glass surface.

Huang, Shangyou

Patent Priority Assignee Title
D858000, May 22 2018 Lighted welding helmet
D916383, Jul 02 2018 TECMEN ELECTRONICS CO , LTD Welding helmet
D927082, Aug 09 2019 JIANGSU MEIXIN OPTOELECTRONICS TECHNOLOGY CO , LTD Welding helmet
D985851, May 12 2021 Welding helmet
ER1634,
ER4025,
ER5461,
ER610,
ER7413,
Patent Priority Assignee Title
4863244, Mar 11 1988 Optrel AG Electro-optic welding lens assembly
8381312, Feb 04 2008 Welding mask
8806662, Jun 27 2007 Otos Tech Co., Ltd. Welding helmet with protection cover for cartridge
9038198, Oct 19 2011 Honeywell International Inc. Auto darkening filter adapter frame assembly for a welding helmet
D677436, Mar 10 2010 3M Innovative Properties Company Welding helmet feature contour
D812817, Aug 09 2016 Stephen, Allinson Protective helmet
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 07 2017HUANG, SHANGYOUWUHAN WELHEL PHOTOELECTRIC CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0423190235 pdf
Apr 12 2017Wuhan Welhel Photoelectric Co., Ltd.(assignment on the face of the patent)
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