(under subclass 35) Apparatus comprising a runner or other ground contacting supporting means other than a wheel.
SEE OR SEARCH THIS CLASS, SUBCLASS:
42+, for driven earth working elements which are mounted on a frame, the frame being provided with (1) a ground support means and (2) a means for guiding the same over the earth by a walking attendant.
76, for driven implements with ground supports and articulated connections to vehicles.
240+, for ground supports for nondriven earth working tools,
which supports only engage the ground while transporting said tools.
387+, for wheel substitutes which are combined with nondriven earth working elements.
