Patent
   D573818
Priority
Nov 29 2007
Filed
Nov 29 2007
Issued
Jul 29 2008
Expiry
Jul 29 2022
Assg.orig
Entity
unknown
2
4
n/a
The ornamental design for a chair backrest, as shown and described.

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

FIG. 2 is a front view of the design;

FIG. 3 is a rear view of the design;

FIG. 4 is a left side view of the design;

FIG. 5 is a right side view of the design;

FIG. 6 is a top view of the design; and,

FIG. 7 is a bottom view of the design.

Su, Shu O

Patent Priority Assignee Title
D603632, Jun 10 2009 Chair backrest
D955133, Nov 12 2020 VINCENT SHEPPARD N.V. Chair
Patent Priority Assignee Title
D510202, Mar 31 2003 HANSSEM CO , LTD Adjustable chair
D532986, Feb 14 2005 KETTLER INTERNATIONAL, INC Patio chair
D540050, Apr 14 2006 Office chair
D564767, Jul 12 2007 Chair
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