Patent
   D683172
Priority
Sep 14 2012
Filed
Sep 14 2012
Issued
May 28 2013
Expiry
May 28 2027
Assg.orig
Entity
unknown
21
9
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
D709312, Oct 17 2012 Okamura Corporation Chair
D763587, Oct 14 2014 Allseating Corporation Chair
D773874, Apr 08 2015 Chair backrest
D774814, Sep 06 2016 Assa Group, Inc. Backrest for a chair
D790895, May 01 2016 Chair backrest
D800469, May 13 2016 Vitra AG Chair
D800470, May 13 2016 Vitra AG Chair
D800471, May 13 2016 Vitra AG Chair
D800472, May 13 2016 Vitra AG Chair
D801066, May 13 2016 Vitra AG Chair
D801067, May 13 2016 Vitra AG Chair
D801068, May 13 2016 Vitra AG Chair
D801717, May 13 2016 Vitra AG Chair
D801718, May 13 2016 Vitra AG Chair
D801719, May 13 2016 Vitra AG Chair
D802314, May 13 2016 Vitra AG Chair
D802315, May 13 2016 Vitra AG Chair
D802316, May 13 2016 Vitra AG Chair
D802953, May 13 2016 Vitra AG Chair
D809842, Jun 22 2017 Chair backrest
D816362, Nov 28 2016 Chair
Patent Priority Assignee Title
D456626, Jul 19 2001 Chair
D489191, Sep 27 2002 Arm chair
D514831, Oct 02 2003 Zhejiang Himax Furniture Industry Corp., Ltd. Chair
D540080, Oct 11 2005 Chair backrest
D540580, Dec 31 2005 Chair backrest
D543398, Jun 19 2006 Chair backrest
D660621, Nov 04 2011 Chair backrest
D660622, Jan 05 2012 Chair backrest
D661137, Nov 16 2011 Chair backrest
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