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
D540081 April 10, 2007 Su
D540579 April 17, 2007 Su
D544735 June 19, 2007 Su
D553886 October 30, 2007 Su
D557028 December 11, 2007 Su
D577519 September 30, 2008 Su
Patent History
Patent number: D596430
Type: Grant
Filed: Mar 19, 2009
Date of Patent: Jul 21, 2009
Inventor: Tung-Hua Su (Tainan Hsien)
Primary Examiner: Mimosa De
Attorney: Shia • Banger
Application Number: 29/334,073
Classifications
Current U.S. Class: D6/502; D6/366