(under subclass 419) Machine knife sharpening attachment in which the knife is ground by a tool having only a rotary movement.
SEE OR SEARCH THIS CLASS, SUBCLASS:
177+, and see the notes thereto for other rotary tools.
SEE OR SEARCH CLASS
30, Cutlery,
139, for a significantly recited cutlery implement, generally combined with a rotary sharpening means.
69, Leather Manufactures, 38, for a leather dressing rotary cutting tool with a grinding attachment where significant structure of the cutting tool is claimed.
