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 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.

Claims

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

Referenced Cited
U.S. Patent Documents
D497265 October 19, 2004 Tai
D497266 October 19, 2004 Tai
D510671 October 18, 2005 Wu
D552857 October 16, 2007 Wang
D553378 October 23, 2007 Wang
D558492 January 1, 2008 Lu
D568624 May 13, 2008 Wen
Patent History
Patent number: D574645
Type: Grant
Filed: May 2, 2007
Date of Patent: Aug 12, 2008
Assignee: Dynamic Office Chair Company, Ltd. (New Westminster, B.C.)
Inventor: Jesper Christensen (Vancouver)
Primary Examiner: Mimosa De
Attorney: Rosenberg, Klein & Lee
Application Number: 29/274,559
Classifications
Current U.S. Class: D6/502; D6/366