(under the class definition) Apparatus, other than hand held devices, so arranged that the whole apparatus may be turned upside down so as to work the earth in that position in addition to its ability to work the earth in its original right side up position.
SEE OR SEARCH THIS CLASS, SUBCLASS:
136, for diverse tools useable alternately only.
241, for an apparatus inverted to engage a ground support with the ground.
371+, for hand tools which may be used in an inverted position.
