Patent
   D661136
Priority
Jul 08 2010
Filed
Jul 08 2010
Issued
Jun 05 2012
Expiry
Jun 05 2026
Assg.orig
Entity
unknown
22
13
n/a
The ornamental design for a chair backrest, as shown and described.

FIG. 1 is a perspective view of the 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
D666032, May 03 2012 Chair backrest
D673401, May 13 2005 Humanscale Corporation Chair support structure
D683574, Aug 15 2012 Chair backrest
D689312, Sep 20 2012 Steelcase Inc. Chair
D689314, Sep 20 2012 Steelcase Inc. Chair
D689317, Sep 20 2012 Steelcase Inc. Chair
D689318, Sep 20 2012 Steelcase Inc. Chair
D709312, Oct 17 2012 Okamura Corporation Chair
D728292, Nov 12 2013 Kokuyo Furniture Co., Ltd. Chair
D750911, Sep 12 2014 DONGGUAN KENTEC OFFICE SEATING CO , LTD Office chair
D763587, Oct 14 2014 Allseating Corporation Chair
D772592, Nov 01 2015 Chair backrest
D774814, Sep 06 2016 Assa Group, Inc. Backrest for a chair
D807448, Jun 01 2015 Dyaco International Inc. Fall prevention attachment for exercise machine
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
D895335, Sep 27 2018 Kokuyo Co., Ltd. Chair
D909084, Oct 22 2019 Henglin Home Furnishings Co., Ltd. Chair
D916477, Jan 24 2019 Office chair
D925956, Nov 22 2017 Office Depot, Inc. Chair
ER3296,
Patent Priority Assignee Title
D493627, Sep 27 2002 Arm chair
D514832, Oct 02 2003 Zhejiang Himax Furniture Industry Corp Ltd. Chair
D540080, Oct 11 2005 Chair backrest
D540081, Aug 18 2006 Chair backrest
D540579, Aug 18 2006 Chair backrest
D540580, Dec 31 2005 Chair backrest
D543398, Jun 19 2006 Chair backrest
D579695, Mar 17 2008 Chair frame
D580198, Mar 17 2008 Chair back
D580199, Jul 02 2008 Chair backrest
D582170, May 16 2008 Chair
D596430, Mar 19 2009 Chair backrest
D604071, Jul 30 2009 Chair backrest
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