(under subclass 681) Apparatus comprising an earth working blade, usually operating in a horizontal position, which operated below the surface of the ground to make a horizontal cut or to lift the soil and permit it to return to substantially the original position without any lateral shifting thereof.
(1) Note. An earth working element which shifts soil laterally and has a horizontal blade extension or portion connected thereto is not included under this definition, but is classified below on other bases.
SEE OR SEARCH THIS CLASS, SUBCLASS:
19+, for sod cutters having a horizontal blade which operates below the surface of the ground to make a horizontal cut.
699, for subsoil plows adapted to work deep in the soil without any lateral movement or turning of the soil.
