Patent Publication Number: US-D923202-S

Title: Stair tread

Description:
FIG. 1  provides a top front perspective view of a stair tread. 
         FIG. 2  provides a front elevation view of a stair tread. 
         FIG. 3  provides a back elevation view of a stair tread. 
         FIG. 4  provides a right side elevation view of a stair tread. 
         FIG. 5  provides a left side elevation view of a stair tread. 
         FIG. 6  provides a top elevation view of a stair tread. 
         FIG. 7  provides a bottom elevation view of a stair tread; and, 
         FIG. 8  provides a perspective view of a stair tread installed on a staircase. 
       The broken lines shown in  FIGS. 3 and 7  are for the purpose of illustrating portions of the stair tread and form no part of the claimed design. The broken lines showing a stair in  FIG. 8  are for the purpose of illustrating environment and form no part of the claimed design.