Chair back

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Description

FIG. 1 is a perspective view of a chair back 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.

Claims

The ornamental design for a chair back, as shown and described.

Referenced Cited
U.S. Patent Documents
D456159 April 30, 2002 Ball et al.
D456650 May 7, 2002 Ball et al.
D457023 May 14, 2002 Ball et al.
D471042 March 4, 2003 Schmitz et al.
D471370 March 11, 2003 Schmitz et al.
D490994 June 8, 2004 Schmitz et al.
D494792 August 24, 2004 Schmitz et al.
D544720 June 19, 2007 Berbegal Perez
D575085 August 19, 2008 Su
20060091714 May 4, 2006 Schmitz et al.
20060091715 May 4, 2006 Schmitz et al.
Patent History
Patent number: D580689
Type: Grant
Filed: Apr 22, 2008
Date of Patent: Nov 18, 2008
Inventor: Shu O Su (Tainan City)
Primary Examiner: Mimosa De
Attorney: Pro-Techtor Int'l Services
Application Number: 29/307,480
Classifications
Current U.S. Class: D6/502; D6/366