Bi-fold door

Abstract

Claims

The ornamental design for a bi-fold door, as shown and described.

Description

(1) FIG. 1 is a front perspective view of a first bi-fold door;

(2) FIG. 2 is a front elevational view, with the rear view being a mirror image thereof;

(3) FIG. 3 is a front perspective view of a second bi-fold door; and,

(4) FIG. 4 is a front elevational view, with the rear view being a mirror image thereof.

(5) The broken lines depict portions of the bi-fold door that form no part of the claimed design.