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Publication numberUSD446887 S1
Publication typeGrant
Application numberUS 29/111,362
Publication dateAug 21, 2001
Filing dateSep 24, 1999
Priority dateSep 24, 1999
Publication number111362, 29111362, US D446887 S1, US D446887S1, US-S1-D446887, USD446887 S1, USD446887S1
InventorsHuh Moon Young
Original AssigneeOtos Optical Co., Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Welding mask
US D446887 S1
Abstract  available in
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  1. The design for a welding mask, as shown and described.

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

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a right side elevational view;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7284281Feb 9, 2005Oct 23, 2007Otos Tech Co., Ltd.Welding helmet having cartridge coupling structure
US7308719Apr 3, 2006Dec 18, 2007Otos Tech Co., Ltd.Front surface opened welding mask
US7409723Feb 9, 2005Aug 12, 2008Otos Tech Co., Ltd.Multifunctional protection rack for safety helmet
US7470880Oct 30, 2006Dec 30, 2008Utos Tech Co., Ltd.Apparatus for detecting electromagnetic wave and protecting eyes from glare
US8806662Apr 3, 2008Aug 19, 2014Otos Tech Co., Ltd.Welding helmet with protection cover for cartridge
US20110010815 *Mar 23, 2010Jan 20, 2011Otos Tech Co., Ltd.Welding helmet including anti-blinding device to selectively and conveniently control welding operation and grinding operation
U.S. ClassificationD29/107