US Patent 7792764 Dimensional rating device for mail pieces

A fixture for rating mail pieces for determination of postage payments includes a generally planar member. The member has formed therein a recess defined at least partially by a floor and at least four side walls. The recess has at least some dimensions that correspond in magnitude to dimensions used to define a first postal category of mail pieces. A second, smaller recess may be nested inside the first recess to indicate the dimensions for another category of mail pieces.