Pet Door

FIG. 1 is a front, right side, top perspective view of a pet door showing my new design.

FIG. 2 is a rear, left side, bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof.

FIG. 9 depicts an enlarged detail view of portion 9 shown in FIG. 1 .

FIG. 10 depicts an enlarged detail view of portion 10 shown in FIG. 1 ; and,

FIG. 11 is a front, right side, top perspective view of the pet door of FIG. 1 in condition for use.

The dot-dash broken lines in the drawings designating the boundary of the enlarged detail view, form no part of the claimed design.