Patent
   D446887
Priority
Sep 24 1999
Filed
Sep 24 1999
Issued
Aug 21 2001
Expiry
Aug 21 2015
Assg.orig
Entity
unknown
43
7
n/a
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.

Young, Huh Moon

Patent Priority Assignee Title
10285864, Jul 25 2014 Snap-On Incorporated Auto-darkening welding helmet
7284281, Feb 09 2005 Otos Tech Co., Ltd.; OTOS TECH CO , LTD Welding helmet having cartridge coupling structure
7308719, Oct 07 2005 Otos Tech Co., Ltd. Front surface opened welding mask
7409723, Oct 20 2004 Otos Tech Co., Ltd.; OTOS TECH CO , LTD Multifunctional protection rack for safety helmet
7470880, Dec 30 2005 Utos Tech Co., Ltd. Apparatus for detecting electromagnetic wave and protecting eyes from glare
8806662, Jun 27 2007 Otos Tech Co., Ltd. Welding helmet with protection cover for cartridge
8955162, Jul 15 2009 OTOS WING CO , LTD Welding helmet including anti-blinding device to selectively and conveniently control welding operation and grinding operation
D481832, Oct 04 2002 OTOS OPTICAL CO , LTD Welding mask
D482502, May 08 2002 Otos Optical Co., Ltd. Welding mask
D482503, Oct 04 2002 OTOS OPTICAL CO , LTD Welding mask
D489492, Mar 21 2003 HARBOR FREIGHT TOOLS USA, INC Welding mask
D499215, Dec 29 2003 Polison Corporation Welding helmet
D517744, Nov 12 2004 3M Innovative Properties Company Side portion of a welding helmet
D517745, Nov 12 2004 3M Innovative Properties Company Chin portion of welding helmet visor
D518923, Nov 12 2004 3M Innovative Properties Company Top portion of a welding helmet
D521190, Dec 21 2004 HARBOR FREIGHT TOOLS USA, INC Welding helmet
D524991, Sep 09 2005 WALTER SURFACE TECHNOLOGIES INCORPORATED Python protective helmet
D524992, Aug 09 2005 ERGONOMIDESIGN AB Pair of welding helmet visor flanges
D525395, Aug 09 2005 ERGONOMIDESIGN AB Welding helmet lens frame
D526097, Aug 09 2005 ERGONOMIDESIGN AB Side portion of a welding helmet
D527849, Feb 09 2005 Otos Tech Co., Ltd.; OTOS TECH CO , LTD Welding mask
D530864, Feb 09 2005 Otos Tech Co., Ltd.; OTOS TECH CO , LTD Welding mask
D532163, Nov 12 2004 3M Innovative Properties Company Side portion of a welding helmet
D532560, Aug 09 2005 ERGONOMIDESIGN AB Side portion of a welding helmet
D539988, Aug 09 2005 ERGONOMIDESIGN AB Welding helmet visor
D540989, Aug 31 2005 Otos Tech Co., Ltd.; OTOS TECH CO , LTD Welding mask
D540990, Aug 31 2005 Otos Tech Co., Ltd.; OTOS TECH CO , LTD Welding mask
D551961, Oct 18 2005 OTOS TECH CO , LTD Rotary shaft nut of a welding mask
D553802, Oct 20 2006 OTOS TECH CO , LTD Welding mask
D585604, May 02 2008 WALTER SURFACE TECHNOLOGIES INCORPORATED Welding helmet
D586051, May 15 2008 WALTER SURFACE TECHNOLOGIES INCORPORATED Protective helmet
D586956, Mar 31 2008 Otos Tech Co., Ltd. Welding mask
D594600, Mar 31 2008 Otos Tech Co., Ltd. Welding mask
D628750, Jul 24 2009 Welding helmet having an automatic lighting system
D637710, Mar 06 2007 Otos Wing Co., Ltd. Portable air supplier
D699020, Nov 07 2012 Headgear
D735448, Nov 07 2012 Headgear
D748896, Apr 15 2013 Headgear
D788990, Jun 30 2016 Welder'S helmet
D793009, Apr 29 2016 NINGBO GEOSTAR PHOTOELECTRIC TECHNOLOGY CO , LTD Welders' mask
D813462, Jun 28 2016 Wheel Pros, LLC Safety helmet
D927790, Sep 06 2019 JIANGSU MEIXIN OPTOELECTRONICS TECHNOLOGY CO , LTD Welding helmet
D932107, Oct 01 2019 Lincoln Global, Inc. Auto darkening filter for a welding helmet
Patent Priority Assignee Title
D310276, Jul 21 1988 Optrel AG Welding mask
D310432, Mar 18 1988 JPCA, INC Welding helmet
D365666, Mar 18 1993 Optrel AG Welding helmet
D393933, Apr 10 1996 Otos Optical Co., Ltd. Welding mask
D394732, Apr 10 1996 Otos Optical Co. Ltd. Welding mask
D398421, Dec 12 1995 3M Innovative Properties Company Protective helmet
D419727, Mar 13 1998 CIGWELD PTY LTD Light shielding helmet
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 09 1999HUH, MOON YOUNGOTOS OPTICAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0102710820 pdf
Sep 24 1999Otos Optical Co., Ltd.(assignment on the face of the patent)
Oct 13 2008OTOS OPTICAL CO , LTD OTOS TECH CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0217310238 pdf
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