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Chair backrest
D573818 Chair backrest
Patent Drawings:Drawing: D573818-2    Drawing: D573818-3    Drawing: D573818-4    Drawing: D573818-5    
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(4 images)

Inventor: Su
Date Issued: July 29, 2008
Application: D/293,532
Filed: November 29, 2007
Inventors: Su; Shu O (Tainan City, TW)
Primary Examiner: De; Mimosa
Assistant Examiner:
Attorney Or Agent: Pro-Techtor Int'l Services
U.S. Class: D6/502; D6/366
Field Of Search: D6/334; D6/335; D6/336; D6/364; D6/365; D6/366; D6/367; D6/369; D6/376; D6/379; D6/380; D6/500; D6/501; D6/502; 297/411.2; 297/411.27; 297/411.36; 297/452.13; 297/452.29; 297/452.46; 297/452.56; 297/452.64
International Class: 0601
U.S Patent Documents:
Foreign Patent Documents:
Other References:

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

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