Patent
   D521190
Priority
Dec 21 2004
Filed
Dec 21 2004
Issued
May 16 2006
Expiry
May 16 2020
Assg.orig
Entity
unknown
50
12
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 bottom elevational view thereof; and,

FIG. 7 is a top elevational view thereof.

Wu, Ziqian

Patent Priority Assignee Title
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D927789, Aug 09 2019 JIANGSU MEIXIN OPTOELECTRONICS TECHNOLOGY CO , LTD Welding helmet
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