US PATENT SUBCLASS 144 / 239
.~ Distorted saw

Current as of: June, 1999
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144 /   HD   WOODWORKING

218  DF  ROTARY CUTTER {22}
239.~ Distorted saw

DEFINITION

Classification: 144/239

Distorted saw:

(under subclass 218) Rotary cutter comprising a saw in which a portion of the periphery is twisted out of its original plane so that it stands at an angle thereto and in rotating cuts a groove of a width greater than the thickness of the saw-plate.