US PATENT SUBCLASS 171 / 120
.~.~.~ Endless impeller or breaker above excavator or separator

Current as of: June, 1999
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171 /   HD   UNEARTHING PLANTS OR BURIED OBJECTS

111  DF  EARTH REMOVAL AND SEPARATION {8}
114  DF  .~ With impeller or clod breaker for excavator or separator {4}
117  DF  .~.~ Endless belt type impeller or breaker {3}
120.~.~.~ Endless impeller or breaker above excavator or separator

DEFINITION

Classification: 171/120

(under subclass 117) Apparatus in which the impeller or clod breaker means is disposed over and adjacent the excavator or separator surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

119, for endless impeller or clod breaker belts having an upper run disposed above an excavator or separator.