Patent
   D443394
Priority
Feb 17 2000
Filed
Feb 17 2000
Issued
Jun 05 2001
Expiry
Jun 05 2015
Assg.orig
Entity
unknown
16
7
n/a
The ornamental design for a safety helmet, as shown and described.

FIG. 1 is a front perspective view a safety 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 right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Martin, Edward L., Edgar, Frederick P.

Patent Priority Assignee Title
8534279, Apr 04 2008 3M Innovative Properties Company Respirator system including convertible head covering member
D482502, May 08 2002 Otos Optical Co., Ltd. Welding mask
D517744, Nov 12 2004 3M Innovative Properties Company Side portion of a welding helmet
D520684, Sep 03 2004 WALTER SURFACE TECHNOLOGIES INCORPORATED Protective helmet
D524991, Sep 09 2005 WALTER SURFACE TECHNOLOGIES INCORPORATED Python protective helmet
D532163, Nov 12 2004 3M Innovative Properties Company Side portion of a welding helmet
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
D590547, Apr 03 2008 3 INNOVATIVE PROPERTIES COMPANY Headgear article having recessed portions
D597710, Apr 03 2008 3M Innovative Properties Company Headgear article having recessed portions
D624705, Aug 13 2009 MENTA PATENT PARTNERS, LLC; MENTA, GREGORY S Face protector
D637353, Mar 16 2010 Welding helmet
D669227, May 03 2011 Welding helmet
D728163, Aug 31 2014 Ningbo Geostar Electronics Co., Ltd.; NINGBO GEOSTAR ELECTRONICS CO , LTD Welding helmet
D734558, Dec 16 2013 TECMEN ELECTRONICS CO , LTD 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
Feb 17 2000Optical Engineering Company, LLC(assignment on the face of the patent)
Mar 24 2000EDGAR, FREDERICK P Optical Engineering Company, LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0107900136 pdf
Mar 24 2000MARTIN, EDWARD L Optical Engineering Company, LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0107900136 pdf
May 18 2009Optical Engineering Company, LLCA C E INTERNATIONAL COMPANY, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0227320001 pdf
Feb 26 2020A C E INTERNATIONAL COMPANY, INC WALTER SURFACE TECHNOLOGIES INCORPORATEDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0521080132 pdf
Feb 26 2020WALTER SURFACE TECHNOLOGIES INCORPORATEDANTARES CAPITAL LP, AS ADMINISTRATIVE AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0533040909 pdf
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