US Patent 10045648 Door and window interior mailbox

An interior mailbox, hard-mounted to the exterior door or window, designed to capture and to hold the mail dropped by the mail carrier from the outside in, through the cutout in said exterior door or window, comprising of two primary components, the container and the adjustment part, made to adjust the width of the bottom of the mailbox to accommodate the varying mounting surfaces and to prevent the mail from falling out of the mailbox.