Patent Publication Number: US-D487658-S

Title: Chair backrest

Description:
FIG. 1 is a perspective view of a chair backrest showing my new design; 
     FIG. 2 is a front elevational view of FIG. 1; 
     FIG. 3 is a rear elevational view of FIG. 1; 
     FIG. 4 is a left side elevational view of FIG. 1, the opposite side being a mirror image thereof; 
     FIG. 5 is a top plan view of FIG. 1; 
     FIG. 6 is a bottom plan view of FIG. 1; and, 
     FIG. 7 is another perspective view of FIG. 1. The broken lines showing the remainder of the chair are for illustrative purposes only and form no part of the claimed design.