Stair tread surface

Abstract

Description

FIG. 1 is a perspective view of a stair tread surface showing my new design:

FIG. 2 is a top plan view of the stair tread surface of FIG. 1;

FIG. 3 is a side elevation view of the stair tread of FIG. 1; and,

FIG. 4 is a perspective view of another embodiment of the stair tread surface.

The broken line showing the nose and the back bevel is for illustration only and forms no part of the claimed design.

Claims

The ornamental design of a stair tread surface, as shown and described.