Stackable chair frame

Description

1. Stackable chair frame

1.1 : Perspective

1.2 : Right

1.3 : Front

1.4 : Left

1.5 : Back

1.6 : Top

1.7 : Bottom

1.8 : Perspective view shown in an environment of use

The broken line portion of the figure drawings is included to show environment that form no part of the claimed design.

Claims

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