US D417104 S
FIG. 1 is a perspective view of a chair frame comprising the new design;
FIG. 2 is a left view identical to mirror image of right side view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a front view thereof; and,
FIG. 5 is a top view thereof.
The broken line showing is for illustrative purposes and forms no part of the claimed design.