Patent
   D644466
Priority
May 18 2010
Filed
May 18 2010
Issued
Sep 06 2011
Expiry
Sep 06 2025
Assg.orig
Entity
unknown
6
11
n/a
The ornamental design for a chair back, as shown and described.

FIG. 1 is a perspective view of a chair back showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Wu, Yao-Chuan

Patent Priority Assignee Title
D698167, May 09 2012 Zhejiang Anji Daming Furniture Co., Ltd. Chair
D708884, Jan 10 2014 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D708885, Jan 22 2014 Zhongśhan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D780499, Jun 18 2015 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
D793142, May 31 2016 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
D953086, May 23 2021 Guangzhou Ceyou Furniture Co., Ltd. Chair backrest
Patent Priority Assignee Title
6843530, Dec 23 2003 Multi-stage backrest assembly
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D540080, Oct 11 2005 Chair backrest
D546086, Dec 01 2006 Office chair
D591540, Nov 04 2008 Chueng Shine Co., Ltd. Chair frame
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