Patent
   D553886
Priority
Mar 25 2007
Filed
Mar 25 2007
Issued
Oct 30 2007
Expiry
Oct 30 2021
Assg.orig
Entity
unknown
12
7
n/a
The ornamental design for a chair backrest, as shown.

FIG. 1 is a perspective view of a 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
D572509, Jan 25 2006 Flokk AB Chair back
D573817, Sep 07 2007 Chair backrest
D577519, Oct 18 2007 Chair backrest
D580199, Jul 02 2008 Chair backrest
D586594, Jan 25 2006 Flokk AB Chair back
D596430, Mar 19 2009 Chair backrest
D596885, May 05 2009 Chair backrest
D641574, May 29 2010 Chair backrest
D728292, Nov 12 2013 Kokuyo Furniture Co., Ltd. Chair
D772592, Nov 01 2015 Chair backrest
D790895, May 01 2016 Chair backrest
D818294, Mar 07 2016 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
Patent Priority Assignee Title
D534384, Apr 07 2005 Backrest for a chair
D540080, Oct 11 2005 Chair backrest
D540081, Aug 18 2006 Chair backrest
D540579, Aug 18 2006 Chair backrest
D540580, Dec 31 2005 Chair backrest
D543398, Jun 19 2006 Chair backrest
D544735, Nov 23 2006 Chair backrest
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