US PATENT SUBCLASS 83 / 820
.~ With special blade guide means

Current as of: June, 1999
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83 /   HD   CUTTING

788  DF  BY ENDLESS BAND OR CHAIN KNIFE {10}
820.~ With special blade guide means

DEFINITION

Classification: 83/820

(under subclass 788) Device provided with means to constrain the tool for motion in a path defining a cutting stroke or cycle.