(under the class definition) Apparatus including claimed features relating to movable supporting members or platforms for mounting a device or portion of a device for removing and separating buried objects from the earth.
(1) Note. The supporting member or frame may or may not have supporting wheels and may or may not be provided with means to steer said frame as it is propelled.
SEE OR SEARCH THIS CLASS, SUBCLASS:
46, for unearthing unit frames which are detachable as a unit from the chassis of a tractor or the like.
SEE OR SEARCH CLASS
172, Earth Working, 669+, and the subclasses there noted for implements mounted on a wheeled frame, and subclass 776 for frames for earth working implements.
