Patent
   D955659
Priority
Apr 15 2020
Filed
Jul 28 2020
Issued
Jun 21 2022
Expiry
Jun 21 2037
Assg.orig
Entity
unknown
2
4
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 elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Jia, Weidong

Patent Priority Assignee Title
ER1271,
ER5137,
Patent Priority Assignee Title
D540989, Aug 31 2005 Otos Tech Co., Ltd.; OTOS TECH CO , LTD Welding mask
D788989, Dec 01 2015 Ningbo Geostar Photoelectric Technology Co., Ltd.; NINGBO GEOSTAR PHOTOELECTRIC TECHNOLOGY CO , LTD Welding helmet
D858000, May 22 2018 Lighted welding helmet
D926386, Jan 19 2020 JIANGSU MEIXIN OPTOELECTRONICS TECHNOLOGY CO , LTD Welding helmet
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 28 2020Jiangsu Meixín Optoelectronics Technology Co., Ltd.(assignment on the face of the patent)
Jun 10 2021JIA, WEIDONG JIANGSU MEIXIN OPTOELECTRONICS TECHNOLOGY CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0564930124 pdf
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