Patent
   D669227
Priority
May 03 2011
Filed
May 03 2011
Issued
Oct 16 2012
Expiry
Oct 16 2026
Assg.orig
Entity
unknown
16
34
n/a
The ornamental design for a welding helmet, as shown and described.

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

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

In the drawings, the features shown in broken lines in FIGS. 1-7 depict portions of the design that form no part of the claimed design.

Wang, Xuegang

Patent Priority Assignee Title
D700402, Jul 16 2013 Ningbo Geostar Electronics Co., Ltd. Welding helmet
D728163, Aug 31 2014 Ningbo Geostar Electronics Co., Ltd.; NINGBO GEOSTAR ELECTRONICS CO , LTD Welding helmet
D732746, Jun 05 2013 TECMEN ELECTRONICS CO , LTD Welding helmet
D734558, Dec 16 2013 TECMEN ELECTRONICS CO , LTD Welding helmet
D753345, Oct 21 2015 Ningbo Geostar Photoelectric Technology Co., Ltd. Weld cap
D756569, Aug 06 2015 Ningbo Geostar Photoelectric Technology Co., Ltd. Weld cap
D770097, Dec 14 2013 Welding helmet with adjustable fans
D774701, Feb 09 2015 NINGBO GEOSTAR PHOTOELECTRIC TECHNOLOGY CO , LTD Welding helmet
D781507, Mar 04 2016 Otos Wing Co., Ltd.; OTOS WING CO , LTD Sight glass of welding mask
D781508, Mar 04 2016 Otos Wing Co., Ltd.; OTOS WING CO , LTD Sight glass of welding mask
D833683, Jun 26 2017 NINGBO GEOSTAR PHOTOELECTRIC TECHNOLOGY CO , LTD Welders' mask
D834759, Sep 22 2017 3M Innovative Properties Company Grinding visor frame
D840606, Apr 03 2018 3M Innovative Properties Company Grinding protection plate
D858000, May 22 2018 Lighted welding helmet
D901087, Sep 22 2017 3M Innovative Properties Company Outer shield contour line
D901088, Sep 22 2017 3M Innovative Properties Company Grinding protection plate
Patent Priority Assignee Title
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