Patent attributes
A delivery door extension that attaches to an existing door jamb and engages with an existing door is provided. The delivery door extension includes a panel having a planar body with opposing front and rear surfaces extending between first and second side surfaces, a top surface, and a bottom surface, wherein the panel body includes an opening. The delivery door extension also includes a delivery window body configured to move between an open position and a closed position, wherein the delivery window covers the opening of the panel body in the closed position, and wherein the delivery window body is does not cover the opening of the panel body in the open position, a hinge ring attached to the first side surface of the panel, wherein the hinge ring engages with a hinge pin on the door jamb, and a blocking mechanism on the second side surface that extends forward from the front surface of the body of the panel.
