US PATENT SUBCLASS 299 / 110
.~ Rolling or rotatable bit


Current as of: June, 1999
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299 /   HD   MINING OR IN SITU DISINTEGRATION OF HARD MATERIAL

79.1  DF  CUTTER TOOTH OR TOOTH HEAD {17}
110.~ Rolling or rotatable bit {1}
111  DF  .~.~> Insert or tip shape


DEFINITION

Classification: 299/110

Rolling or rotatable bit:

(under subclass 79.1) Cutter tooth or tooth head in which the element able to spin, turn, or tend to spin on the material being contacted.

SEE OR SEARCH CLASS

175, Boring or Penetrating the Earth,

331, for an earth boring-type rolling cutter bit or rolling cutter bit element.