Chair backrest

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Description

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.

Claims

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

Referenced Cited
U.S. Patent Documents
D378553 March 25, 1997 Newhouse
D442400 May 22, 2001 Simons et al.
D449172 October 16, 2001 Van De Riet et al.
D449938 November 6, 2001 Vanderiet et al.
D455571 April 16, 2002 Van De Riet et al.
D456164 April 30, 2002 Vanderiet et al.
D461348 August 13, 2002 Holbrook et al.
D512238 December 6, 2005 Chen
D541067 April 24, 2007 Lin
D547562 July 31, 2007 Su
D561485 February 12, 2008 Hock
D574646 August 12, 2008 Su
D586577 February 17, 2009 Koh
Patent History
Patent number: D595072
Type: Grant
Filed: Dec 4, 2008
Date of Patent: Jun 30, 2009
Inventor: Shu O Su (Tainan City)
Primary Examiner: Mimosa De
Attorney: Pro-Techtor Int'l Services
Application Number: 29/313,085
Classifications
Current U.S. Class: D6/502