US PATENT SUBCLASS 299 / 38.1
.~.~.~ Narrow, channel-forming type


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

29  DF  HARD MATERIAL DISINTEGRATING MACHINES {17}
36.1  DF  .~ Floor-working {3}
37.1  DF  .~.~ Reciprocating or oscillating cutter {2}
38.1.~.~.~ Narrow, channel-forming type


DEFINITION

Classification: 299/38.1

Narrow channel-forming type:

(under subclass 37.1) Reciprocating or oscillating cutter in which the cutter is described as forming a slot which has a relatively small width in the horizontal extent.