US PATENT SUBCLASS 144 / 220
.~ Frusto-conical

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


144 /   HD   WOODWORKING

218  DF  ROTARY CUTTER {22}
220.~ Frusto-conical

DEFINITION

Classification: 144/220

Frusto-conical:

(under subclass 218) Rotary cutter in the form of an inverted cone.

(1) Note. The cutter of this subclass may be used for cutting a dovetail in the edge of a board.