US PATENT SUBCLASS 171 / 54
.~.~ Retractible to strip

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

50  DF  EXTRACTOR {5}
53  DF  .~ Plant impaling or snagging (e.g., roots or tops) {1}
54.~.~ Retractible to strip

DEFINITION

Classification: 171/54

(under subclass 53) Apparatus wherein the impaling or snagging extractor means is carried by a moving support and is moved relative to said support after the object has been extracted, to discharge such object.