Patent
   D957839
Priority
Apr 25 2019
Filed
Apr 25 2019
Issued
Jul 19 2022
Expiry
Jul 19 2037
Assg.orig
Entity
unknown
0
11
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.

The broken lines shown in the drawings are for the purpose of illustrating portions of the chair backrest and form no part of the claimed design.

Su, Tung-Hua

Patent Priority Assignee Title
Patent Priority Assignee Title
D540578, Sep 09 2005 Backrest
D580199, Jul 02 2008 Chair backrest
D596885, May 05 2009 Chair backrest
D661120, Apr 02 2011 Chair
D687660, Jun 05 2012 Zhongshan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D691407, Nov 17 2011 ITOKI CORPORATION Chair
D772592, Nov 01 2015 Chair backrest
D778660, Feb 01 2016 CHUENG SHINE CO , LTD Chair back frame
D917217, Nov 29 2019 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
D917218, Jan 21 2020 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
D935253, Jul 14 2020 Henglin Home Furnishings Co., Ltd. Chair
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