Patent
   D365666
Priority
Mar 18 1993
Filed
Mar 18 1993
Issued
Dec 26 1995
Expiry
Dec 26 2009
Assg.orig
Entity
unknown
44
3
n/a
The ornamental design for welding helmet, as shown.

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

FIG. 2 is a rear perspective view of the welding helmet of FIG. 1;

FIG. 3 is a left (as viewed in FIG. 1) side elevational view;

FIG. 4 is a right (as viewed in FIG. 1) side elevational view;

FIG. 5 is a front elevational view of the welding helmet of FIG. 1;

FIG. 6 is a rear elevational view of the welding helmet of FIG. 1;

FIG. 7 is a top plan view of the welding helmet of FIG. 1;

FIG. 8 is a bottom plan view of the welding helmet of FIG. 1;

Gumpp, Rudolf

Patent Priority Assignee Title
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D446887, Sep 24 1999 OTOS TECH CO , LTD Welding mask
D520684, Sep 03 2004 WALTER SURFACE TECHNOLOGIES INCORPORATED Protective helmet
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D666778, Mar 10 2010 3M Innovative Properties Company Welding helmet feature contour
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D734557, Dec 14 2013 Welding helmet with adjustable fan
D803486, May 20 2016 Illinois Tool Works Inc. Protective helmet
D804107, May 20 2016 Illinois Tool Works Inc. Protective helmet
D858000, May 22 2018 Lighted welding helmet
D927790, Sep 06 2019 JIANGSU MEIXIN OPTOELECTRONICS TECHNOLOGY CO , LTD Welding helmet
Patent Priority Assignee Title
4373212, Nov 12 1980 CENTURY MFG CO Light blocking lens for welder helmet
5302815, Jan 10 1992 Sperian Welding Protection AG Light protection apparatus comprising an electrically controllable light protection filter element
D310276, Jul 21 1988 Optrel AG Welding mask
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 18 1993Optrel AG(assignment on the face of the patent)
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