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 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.

Claims

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

Referenced Cited
U.S. Patent Documents
D436456 January 23, 2001 Neil
D440419 April 17, 2001 Roder
D451293 December 4, 2001 Su
D476821 July 8, 2003 Koepke et al.
D479416 September 9, 2003 Raftery
D485097 January 13, 2004 Raftery
D489191 May 4, 2004 Ma
D493626 August 3, 2004 James
D493627 August 3, 2004 Ma
D494768 August 24, 2004 Su
D506894 July 5, 2005 Harley
D507124 July 12, 2005 Yang
D510488 October 11, 2005 Su
D514832 February 14, 2006 Tsai
D516828 March 14, 2006 Tsai
7014269 March 21, 2006 Coffield et al.
D527920 September 12, 2006 Giugiaro
D528811 September 26, 2006 Giugiaro
20020190564 December 19, 2002 Coffield et al.
20030001425 January 2, 2003 Koepke et al.
Patent History
Patent number: D540080
Type: Grant
Filed: Oct 11, 2005
Date of Patent: Apr 10, 2007
Inventor: Tung-Hua Su (Tainan Hsien)
Primary Examiner: Mimosa De
Attorney: Charles E. Baxley
Application Number: 29/240,261
Classifications
Current U.S. Class: D6/502; D6/366