Patent
   D596430
Priority
Mar 19 2009
Filed
Mar 19 2009
Issued
Jul 21 2009
Expiry
Jul 21 2023
Assg.orig
Entity
unknown
14
6
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
8240771, May 13 2004 Humanscale Corporation Mesh chair component
D604071, Jul 30 2009 Chair backrest
D623449, May 13 2005 Humanscale Corporation Mesh backrest for a chair
D660621, Nov 04 2011 Chair backrest
D661136, Jul 08 2010 Chair backrest
D673401, May 13 2005 Humanscale Corporation Chair support structure
D686441, Jan 29 2013 Chair backrest
D698591, Dec 05 2012 SIDIZ, INC. Chair back
D770212, Jan 13 2015 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D778660, Feb 01 2016 CHUENG SHINE CO , LTD Chair back frame
D782238, Apr 03 2015 Chair Meister Co., Ltd. Chair back frame
D782239, Sep 22 2015 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D818294, Mar 07 2016 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D913024, Oct 25 2019 WELLWORKER INTERNATIONAL CO., LTD. Chair backrest
Patent Priority Assignee Title
D540081, Aug 18 2006 Chair backrest
D540579, Aug 18 2006 Chair backrest
D544735, Nov 23 2006 Chair backrest
D553886, Mar 25 2007 Chair backrest
D557028, Jun 16 2007 Chair
D577519, Oct 18 2007 Chair backrest
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