US PATENT SUBCLASS 73 / 864.43
.~.~.~ Auger or drill

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

863  DF  SAMPLER, SAMPLE HANDLING, ETC. {11}
864  DF  .~ Capture device {9}
864.41  DF  .~.~ Cutter, tearer, or scraper {3}
864.43.~.~.~ Auger or drill

DEFINITION

Classification: 73/864.43

Auger or drill:

(under subclass 864.41) Subject matter wherein the cutting or tearing element is a cutting edge usually at the end of a helical blade rotatable about an axis which cuts across the full cross section of the sample as it advances into the

source.

SEE OR SEARCH CLASS

408, Cutting by Use of Rotating Axially Moving Tool, for augers, drills, etc., per se.