US PATENT SUBCLASS 172 / 24
.~ Around tree or stake

Current as of: June, 1999
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172 /   HD   EARTH WORKING

23  DF  DRIVEN FROM OR GUIDED BY STATIONARY OBJECT, OR ANCHORED {4}
24.~ Around tree or stake

DEFINITION

Classification: 172/24

(under subclass 23) Apparatus in which the earth working means is guided in a rotary path by a fixed vertical member not forming a part of the apparatus (e.g., tree or stake).

SEE OR SEARCH THIS CLASS, SUBCLASS:

25, for an implement rotatable about a vertical axis and carrying an anchor or feet to prevent translational movement of the apparatus.