US PATENT SUBCLASS 73 / 864.44
.~.~.~ Corer

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
864.44.~.~.~ Corer {1}
864.45  DF  .~.~.~.~> With corer advancing means

DEFINITION

Classification: 73/864.44

Corer:

(under subclass 864.41) Subject matter wherein the cutting or tearing element cuts only the periphery of the sample as it is advanced into the source material, leaving a sample in the form of an undisturbed, central portion.

SEE OR SEARCH CLASS

175, Boring or Penetrating the Earth,

403+, and the search there noted for a bit for cutting an earth core.

408, Cutting by Use of Rotating Axially Moving Tool,

204+, for other corer.