Patent
   D540080
Priority
Oct 11 2005
Filed
Oct 11 2005
Issued
Apr 10 2007
Expiry
Apr 10 2021
Assg.orig
Entity
unknown
50
20
n/a
The ornamental design for a chair backrest, as shown and described.

FIG. 1 is a perspective view of a chair backrest showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

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

FIG. 7 is a bottom plan view thereof.

Su, Tung-Hua

Patent Priority Assignee Title
10674826, Sep 21 2012 Steelcase Inc. Chair construction
9661930, Sep 21 2012 Steelcase Inc. Chair construction
9913540, Sep 21 2012 Steelcase Inc. Chair construction
D552857, Mar 08 2007 Chair
D553378, Mar 08 2007 Chair
D553886, Mar 25 2007 Chair backrest
D557028, Jun 16 2007 Chair
D563686, Oct 14 2005 HNI Technologies Inc. Chair
D572923, Feb 07 2008 Chair
D579223, Sep 03 2007 Stoll Giroflex AG Chair
D580198, Mar 17 2008 Chair back
D580199, Jul 02 2008 Chair backrest
D644466, May 18 2010 Chair back
D660622, Jan 05 2012 Chair backrest
D661136, Jul 08 2010 Chair backrest
D661137, Nov 16 2011 Chair backrest
D666032, May 03 2012 Chair backrest
D683172, Sep 14 2012 Chair backrest
D683574, Aug 15 2012 Chair backrest
D703987, Jun 07 2013 Steelcase Inc Chair
D703988, Jun 07 2013 Steelcase Inc Chair
D704487, Jun 07 2013 Steelcase Inc Chair
D706547, Jun 07 2013 Steelcase Inc Chair
D707976, Jun 07 2013 Steelcase Inc Chair
D721529, Jun 07 2013 Steelcase Inc Handle apparatus
D772592, Nov 01 2015 Chair backrest
D790895, May 01 2016 Chair backrest
D800469, May 13 2016 Vitra AG Chair
D800470, May 13 2016 Vitra AG Chair
D800471, May 13 2016 Vitra AG Chair
D800472, May 13 2016 Vitra AG Chair
D801066, May 13 2016 Vitra AG Chair
D801067, May 13 2016 Vitra AG Chair
D801068, May 13 2016 Vitra AG Chair
D801717, May 13 2016 Vitra AG Chair
D801718, May 13 2016 Vitra AG Chair
D801719, May 13 2016 Vitra AG Chair
D802314, May 13 2016 Vitra AG Chair
D802315, May 13 2016 Vitra AG Chair
D802316, May 13 2016 Vitra AG Chair
D802953, May 13 2016 Vitra AG Chair
D809842, Jun 22 2017 Chair backrest
D816362, Nov 28 2016 Chair
D818294, Mar 07 2016 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D873595, Mar 29 2018 AICHI CO , LTD Seating unit
D879523, Nov 22 2017 OFFICE DEPOT, INC Chair
D893229, Feb 05 2018 Flokk AS Backrest of a chair
D920696, Sep 19 2019 Chair
D923990, Mar 29 2018 AICHI CO , LTD Seat unit
D923992, Mar 29 2018 AICHI CO , LTD Seat unit
Patent Priority Assignee Title
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D440419, Oct 29 1997 F-MARTIN STEIFENSAND BUROMOBEL GMBH Chair
D451293, Jan 09 2001 Chair
D476821, Feb 15 2002 HNI TECHNOLOGIES INC Ergonomic chair
D479416, May 24 2001 PAOLI, INC Portion of a chair
D485097, May 24 2001 HNI TECHNOLOGIES INC Portion of a chair
D489191, Sep 27 2002 Arm chair
D493626, May 31 2002 HNI TECHNOLOGIES INC Chair
D493627, Sep 27 2002 Arm chair
D494768, Dec 12 2003 Chair
D506894, Jun 07 2004 Allseating Corporation Chair back
D507124, Jul 13 2004 Chair
D510488, May 19 2004 Chair
D514832, Oct 02 2003 Zhejiang Himax Furniture Industry Corp Ltd. Chair
D516828, Jul 02 2004 Zhejiang Himax Furniture Industry Corp. Ltd. Chair
D527920, Sep 27 2004 Okamura Corporation Chair
D528811, Sep 27 2004 Okamura Corporation Chair
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