Patent
   D809842
Priority
Jun 22 2017
Filed
Jun 22 2017
Issued
Feb 13 2018
Expiry
Feb 13 2033
Assg.orig
Entity
unknown
9
10
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
D878790, Dec 19 2018 ZHEJIANG HENGLIN CHAIR INDUSTRY CO., LTD. Chair
D883689, Apr 20 2018 PNC BANK Chair
D883690, Apr 20 2018 PNC BANK Chair
D883691, Apr 20 2018 PNC BANK Chair
D893229, Feb 05 2018 Flokk AS Backrest of a chair
D895335, Sep 27 2018 Kokuyo Co., Ltd. Chair
D910359, Jan 21 2020 Comfordy Co., Ltd. Chair back
D929784, May 20 2020 Chair backrest
ER8977,
Patent Priority Assignee Title
7347495, Mar 01 2005 PNC BANK Chair back with lumbar and pelvic supports
D540080, Oct 11 2005 Chair backrest
D580199, Jul 02 2008 Chair backrest
D582170, May 16 2008 Chair
D600477, May 18 2009 Chair backrest
D660621, Nov 04 2011 Chair backrest
D661136, Jul 08 2010 Chair backrest
D683172, Sep 14 2012 Chair backrest
D683574, Aug 15 2012 Chair backrest
D773874, Apr 08 2015 Chair backrest
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