Patent
   D573817
Priority
Sep 07 2007
Filed
Sep 07 2007
Issued
Jul 29 2008
Expiry
Jul 29 2022
Assg.orig
Entity
unknown
23
7
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 rear perspective view of the design;

FIG. 3 is a front view of the design;

FIG. 4 is a rear view of the design;

FIG. 5 is a left side view of the design;

FIG. 6 is a right side view of the design;

FIG. 7 is a top view of the design;

FIG. 8 is a bottom view of the design; and,

FIG. 9 is another perspective view of FIG. 1. The broken lines showing the remainder of the chair are for illustrative purposes only and form no part of the claimed design.

Su, Shu O

Patent Priority Assignee Title
8240771, May 13 2004 Humanscale Corporation Mesh chair component
D580199, Jul 02 2008 Chair backrest
D594257, Dec 02 2008 Dynamic Office Chair Company, Ltd. Chair back
D597349, Nov 14 2007 Steelcase Inc Chair backrest support
D601830, Oct 30 2008 True Seating Concepts, LLC Frame for a chair back
D603632, Jun 10 2009 Chair backrest
D607653, Nov 14 2007 Steelcase Inc Chair backrest support
D623449, May 13 2005 Humanscale Corporation Mesh backrest for a chair
D661120, Apr 02 2011 Chair
D667242, Oct 25 2011 Chair seat body
D667244, May 20 2011 Frame of chair backrest
D668085, Jun 28 2011 SITLAND S P A Chair
D673401, May 13 2005 Humanscale Corporation Chair support structure
D675456, Sep 14 2011 Z-LINE DESIGNS, INC Task chair
D684784, Oct 21 2012 Zhejian Anji Daming Furniture Co., Ltd. Chair
D708882, Aug 07 2013 Zhongshan Shi Songlin Furniture Co., Ltd Chair back frame
D723851, Jun 07 2013 MILLERKNOLL, INC Backrest support
D762996, Mar 24 2014 Stoll Giroflex AG Office chair
D793143, May 31 2016 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
D826614, May 26 2017 Hongliang, Chu Back rest for chair
D873043, Dec 18 2017 DONGGUAN KENTEC OFFICE SEATING CO , LTD Office chair
D880182, Nov 26 2018 ZHEJIANG HENGLIN CHAIR INDUSTRY CO., LTD. Chair
Patent Priority Assignee Title
D489191, Sep 27 2002 Arm chair
D510488, May 19 2004 Chair
D512574, Apr 20 2004 Zhejiang Himax Furniture Industry Corp., Ltd. Chair
D516828, Jul 02 2004 Zhejiang Himax Furniture Industry Corp. Ltd. Chair
D542043, Jan 30 2006 Chair
D553378, Mar 08 2007 Chair
D553886, Mar 25 2007 Chair backrest
Executed onAssignorAssigneeConveyanceFrameReelDoc
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule