Patent
   D857302
Priority
Jun 26 2017
Filed
Jun 26 2017
Issued
Aug 20 2019
Expiry
Aug 20 2034
Assg.orig
Entity
unknown
0
6
n/a
The ornamental design for a welders' mask, as shown.

FIG. 1 is a front elevational view of a welders' mask showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is another perspective view thereof.

Yang, Zhaolin, Zhou, Jianrong, Wang, Rongjiang

Patent Priority Assignee Title
Patent Priority Assignee Title
D520684, Sep 03 2004 WALTER SURFACE TECHNOLOGIES INCORPORATED Protective helmet
D775427, Apr 26 2013 YUNNAN OUTAI SCIENCE AND TRADE CO , LTD Welding helmet
D788988, Nov 26 2015 Ningbo Geostar Photoelectric Technology Co., Ltd. Welding helmet
D789614, Oct 07 2015 Otos Wing Co., Ltd. Welding mask
D793007, Feb 24 2016 NINGBO GEOSTAR PHOTOELECTRIC TECHNOLOGY CO , LTD Welding helmet
D796118, Apr 29 2016 NINGBO GEOSTAR PHOTOELECTRIC TECHNOLOGY CO , LTD Welders' mask
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Jun 26 2017YANG, ZHAOLINNINGBO GEOSTAR PHOTOELECTRIC TECHNOLOGY CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0495090399 pdf
Jun 26 2017ZHOU, JIANRONGNINGBO GEOSTAR PHOTOELECTRIC TECHNOLOGY CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0495090399 pdf
Jun 26 2017WANG, RONGJIANGNINGBO GEOSTAR PHOTOELECTRIC TECHNOLOGY CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0495090399 pdf
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