US PATENT SUBCLASS 171 / 74
.~ With side walls or guides

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

71  DF  PLOW OR BLADE CONTINGUOUS TO VIBRATING SEPARATOR {9}
74.~ With side walls or guides

DEFINITION

Classification: 171/74

(under subclass 71) Apparatus which includes confining means disposed along a lateral edge of the moving separating surface to prevent the recovered objects from falling off said edge.