US PATENT SUBCLASS 299 / 110
.~ Rolling or rotatable bit
Current as of:
June, 1999
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299 /
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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.