Drain pipe insert

Description

FIG. 1 is a perspective view of our design for a drain pipe insert;

FIG. 2 is a perspective view of the design for the drain pipe insert shown in FIG. 1;

FIG. 3 is a top view of the design for the drain pipe insert shown in FIG. 1;

FIG. 4 is a bottom view of the design for the drain pipe insert shown in FIG. 1;

FIG. 5 is a front view of the design for the drain pipe insert shown in FIG. 1;

FIG. 6 is a rear view of the design for the drain pipe insert shown in FIG. 1;

FIG. 7 is a left side view of the design for the drain pipe insert shown in FIG. 1; and,

FIG. 8 is a right side view of the design for the drain pipe insert shown in FIG. 1.

FIGS. 1-2 and 5-8 include symbolic breaks along the length. The area between the break lines forms no part of the claimed design.

The broken lines depict portions of the drain pipe insert that form no part of the claimed design.

Claims

The ornamental design for a drain pipe insert as shown and described.