Devices of the railway-mail delivery type, mounted either on the vehicle or along the track, for supporting the load preparatory to delivering it to a receiver mounted, respectively, along the track or on the vehicle.
(1) Note. Compare class in Search Notes below for supports of general application. Search this class, all subclasses except subclass 20, and subclasses thereunder.
SEE OR SEARCH CLASS
248, Supports, for supports of general application.
