Chair backrest

Description

1. Chair backrest

1.1 : Perspective

1.2 : Front

1.3 : Back

1.4 : Left

1.5 : Right

1.6 : Top

1.7 : Bottom

1.8 : Perspective

A new, original and ornamental design for a chair backrest, as shown and described; FIG. 1.1 is a front perspective view of a chair backrest; FIG. 1.2 is a front view thereof; FIG. 1.3 is a back view thereof; FIG. 1.4 is a left side view thereof; FIG. 1.5 is a right side view thereof; FIG. 1.6 is a top view thereof; FIG. 1.7 is a bottom view thereof; and FIG. 1.8 is a rear perspective view thereof. The broken lines shown in the drawings illustrate portions of the article andthat form no part of the claimed design.

Claims

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