Patent
   D540081
Priority
Aug 18 2006
Filed
Aug 18 2006
Issued
Apr 10 2007
Expiry
Apr 10 2021
Assg.orig
Entity
unknown
22
13
n/a
The ornamental design for a chair backrest, as shown.

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
10264889, Sep 20 2012 Steelcase Inc. Chair assembly with upholstery covering
11229294, Sep 20 2012 Steelcase Inc. Chair assembly with upholstery covering
11304528, Sep 20 2012 Steelcase Inc. Chair assembly with upholstery covering
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8998339, Sep 20 2012 Steelcase Inc. Chair assembly with upholstery covering
9408467, Sep 20 2012 Steelcase Inc. Chair assembly with upholstery covering
9826839, Sep 20 2012 Steelcase Inc. Chair assembly with upholstery covering
D553886, Mar 25 2007 Chair backrest
D557028, Jun 16 2007 Chair
D572923, Feb 07 2008 Chair
D577519, Oct 18 2007 Chair backrest
D596430, Mar 19 2009 Chair backrest
D596885, May 05 2009 Chair backrest
D660621, Nov 04 2011 Chair backrest
D660622, Jan 05 2012 Chair backrest
D661136, Jul 08 2010 Chair backrest
D661137, Nov 16 2011 Chair backrest
D667242, Oct 25 2011 Chair seat body
D673401, May 13 2005 Humanscale Corporation Chair support structure
D772592, Nov 01 2015 Chair backrest
D818294, Mar 07 2016 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D953086, May 23 2021 Guangzhou Ceyou Furniture Co., Ltd. Chair backrest
Patent Priority Assignee Title
D461322, Sep 26 2001 VIRCO MFG CORPORATION Chair
D461348, Sep 26 2001 VIRCO MFG CORPORATION Chair portion
D469265, Jun 15 2001 VIRCO MFG CORPORATION Chair
D469284, Jun 15 2001 VIRCO MFG CORPORATION Chair
D474346, Jan 25 2001 JSJ Furniture Corporation Chair
D485097, May 24 2001 HNI TECHNOLOGIES INC Portion of a chair
D486656, Mar 13 2003 Chair
D489191, Sep 27 2002 Arm chair
D489541, Dec 02 2002 Chair
D493627, Sep 27 2002 Arm chair
D510488, May 19 2004 Chair
D514831, Oct 02 2003 Zhejiang Himax Furniture Industry Corp., Ltd. Chair
D514832, Oct 02 2003 Zhejiang Himax Furniture Industry Corp Ltd. Chair
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