(under subclass 681) Apparatus comprising an earth working element supported at laterally spaced points so as to resemble a U in front elevation.
(1) Note. The elements may extend laterally beyond the standards and the number of standards may exceed two.
SEE OR SEARCH THIS CLASS, SUBCLASS:
19+, for sod cutters which may have an earth working element supported at laterally spaced points so as to resemble a U in front elevation.
SEE OR SEARCH CLASS
37, Excavating, 302, and 303 for stump and stone-type excavators which may be in the form of a U in front elevation for undercutting a stump or stone to facilitate removal thereof.
