US PATENT SUBCLASS 451 / 141
.~.~.~.~.~ Helical blade

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

Internet Version by PATENTEC © 1999      Terms of Use


451 /   HD   ABRADING

64  DF  MACHINE {12}
119  DF  .~ Rotary reciprocating tool {2}
120  DF  .~.~ Cylindrical tool {2}
124  DF  .~.~.~ Rectilinear {13}
140  DF  .~.~.~.~ Work rotating {3}
141.~.~.~.~.~ Helical blade

DEFINITION

Classification: 451/141

Helical blade:

(under subclass 140) Abrading machine specifically adapted for sharpening a cutting member the cutting edge of which is disposed parallel to and along an axis in such a way that the edge extends about the axis as it extends therealong.