US PATENT SUBCLASS 408 / 212
.~.~ And axially extending peripheral cutting spur

Current as of: June, 1999
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408 /   HD   CUTTING BY USE OF ROTATING AXIALLY MOVING TOOL

199  DF  TOOL OR TOOL WITH SUPPORT {12}
211  DF  .~ Having inversely angled cutting edge {1}
212.~.~ And axially extending peripheral cutting spur

DEFINITION

Classification: 408/212

(under subclass 211) Device having an additional cutting edge extending axially at the radially outermost extremity of the leading portion of the tool, which cutting edge projects axially beyond the other cutting edges of the tool.

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213, for similar structure lacking an inversely angled cutting edge.