Patent
   D543398
Priority
Jun 19 2006
Filed
Jun 19 2006
Issued
May 29 2007
Expiry
May 29 2021
Assg.orig
Entity
unknown
18
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
D553886, Mar 25 2007 Chair backrest
D557028, Jun 16 2007 Chair
D572923, Feb 07 2008 Chair
D594681, Oct 18 2004 DAUPHIN ENTWICKLUNGS- U BETEILIGUNGS-GMBH Chair back
D641573, May 10 2010 FUH Shyan Co., Ltd.; FUH SHYAN CO , LTD Chair back frame
D646915, Dec 23 2010 Kimball International, Inc. 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
D666032, May 03 2012 Chair backrest
D673401, May 13 2005 Humanscale Corporation Chair support structure
D683172, Sep 14 2012 Chair backrest
D683574, Aug 15 2012 Chair backrest
D728292, Nov 12 2013 Kokuyo Furniture Co., Ltd. Chair
D750911, Sep 12 2014 DONGGUAN KENTEC OFFICE SEATING CO , LTD Office chair
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
Patent Priority Assignee Title
D474346, Jan 25 2001 JSJ Furniture Corporation Chair
D486656, Mar 13 2003 Chair
D487359, Sep 09 2002 Okamura Corporation Chair
D489191, Sep 27 2002 Arm chair
D493627, Sep 27 2002 Arm chair
D507124, Jul 13 2004 Chair
D510488, May 19 2004 Chair
D511418, Jun 07 2004 NIGHTINGALE CORP Chair
D514832, Oct 02 2003 Zhejiang Himax Furniture Industry Corp Ltd. Chair
D527920, Sep 27 2004 Okamura Corporation Chair
D528811, Sep 27 2004 Okamura Corporation Chair
D534365, Jun 09 2005 NIGHTINGALE CORP Chair
D534384, Apr 07 2005 Backrest for a chair
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