Backrest frame for a chair

Description

FIG. 1 is a perspective view of a backrest frame for a chair showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a cross-sectional view taken along line A A in FIG. 2.

Claims

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