US PATENT SUBCLASS 144 / 74
.~ Boring cutter and mortising chisel cutter

Current as of: June, 1999
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144 /   HD   WOODWORKING

82  DF  MORTISING MACHINE HAVING ROTARY CUTTER {3}
74.~ Boring cutter and mortising chisel cutter

DEFINITION

Classification: 144/74

Boring cutter and mortising chisel cutter:

(under subclass 82) Mortising machine including a rotary, boring cutter combined with an elongated cutter having a sharp, leading cutting edge.

SEE OR SEARCH THIS CLASS, SUBCLASS:

78, for a square cross-section mortising chisel with an auger passing through its center.