Patent
   D773874
Priority
Apr 08 2015
Filed
Apr 08 2015
Issued
Dec 13 2016
Expiry
Dec 13 2030
Assg.orig
Entity
unknown
9
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
D790895, May 01 2016 Chair backrest
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
D878790, Dec 19 2018 ZHEJIANG HENGLIN CHAIR INDUSTRY CO., LTD. Chair
D924594, Mar 09 2021 SHENZHEN SHIZICHUANQI TECHNOLOGY CO , LTD Office chair
D940487, Nov 29 2019 Chair lumbar support
ER5742,
Patent Priority Assignee Title
D471042, Feb 13 2002 HERMAN MILLER, INC Back for a seating structure
D539578, Jul 01 2005 Backrest
D557025, Apr 23 2007 Office chair
D580199, Jul 02 2008 Chair backrest
D600477, May 18 2009 Chair backrest
D646092, Jun 09 2010 Office Master Office chair
D660621, Nov 04 2011 Chair backrest
D660622, Jan 05 2012 Chair backrest
D683172, Sep 14 2012 Chair backrest
D683574, Aug 15 2012 Chair backrest
D697732, May 09 2012 Zhejiang Anji Daming Furniture Co., Ltd. Chair
D703457, Jun 07 2013 MILLERKNOLL, INC Chair
D766605, May 27 2015 LEE VALUE INC.; LEE VALUE INC Chair
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