GUIDED, WHEELED DEVICE FOR TRANSPORTING MAIL AND EXTERNALMEANS CO-OPERATING THEREWITH FOR LOADING OR UNLOADING THEDEVICE:
(under the class definition) Apparatus comprising a wheeled, mail transporting device and structure (e.g.,., tracks, cable, etc.) to guide the device to a mail collection and/or
delivery station where it loads or unloads the mail with the assistance of an external means.
(1) Note. The patents of this subclass, subclass 39 of former Class 214, involve subject matter in which there has been no activity in recent years. Accordingly, the subclass has merely been relocated to a point where the art can be kept intact.