US PATENT SUBCLASS 451 / 450
.~.~ Wetting grindstone

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

442  DF  ACCESSORY {10}
449  DF  .~ Cooling {1}
450.~.~ Wetting grindstone

DEFINITION

Classification: 451/450

Wetting grindstone:

(under subclass 449) Cooling accessory for applying a liquid cooling agent to an abrading tool.