Patent Publication Number: US-D810487-S

Title: Back support frame for chair

Description:
FIG. 1  is a perspective view of back support frame for chair showing our new design; 
         FIG. 2  is a front elevational view thereof; 
         FIG. 3  is a back elevational view thereof; 
         FIG. 4  is a left side elevational view thereof; 
         FIG. 5  is a right side elevational view thereof; 
         FIG. 6  is a top view thereof; 
         FIG. 7  is a bottom view thereof; and, 
         FIG. 8  is a perspective view showing a chair with the back support frame for chair. 
       The broken lines shown in  FIG. 8  is for the purpose of illustrating environmental structure and forms no part of the claimed design.