US PATENT SUBCLASS 37 / 384
.~.~ Adjustable digger

Current as of: June, 1999
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37 /   HD   EXCAVATING

381  DF  ROAD GRADER-TYPE {7}
383  DF  .~ Including ground supported, grader guiding rail {1}
384.~.~ Adjustable digger {1}
385  DF  .~.~.~> Rotary digger

DEFINITION

Classification: 37/384

Adjustable digger:

(under subclass 383) Apparatus wherein the means for removing or loosening the earth is combined with means for selectively varying the elevational or angular position of the loosening means.