Backrest frame of a chair

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Description

FIG. 1 is a perspective view of a backrest frame of a chair showing my 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 backrest frame of a chair, as shown and described.

Referenced Cited
U.S. Patent Documents
D453079 January 29, 2002 Ma
D477151 July 15, 2003 Koepke et al.
D489191 May 4, 2004 Ma
D493627 August 3, 2004 Ma
D494768 August 24, 2004 Su
D495509 September 7, 2004 Breen
D497264 October 19, 2004 Aubriet et al.
Patent History
Patent number: D510671
Type: Grant
Filed: Nov 25, 2003
Date of Patent: Oct 18, 2005
Inventor: Yao-Chuan Wu (Taichung)
Primary Examiner: Gary D. Watson
Attorney: Nikolai & Mersereau, P.A.
Application Number: 29/194,716
Classifications
Current U.S. Class: D6/502; D6/366