(under subclass 346) Blades in which the cutting edge is substantially coextensive with the blade and is detachable therefrom for purposes of renewal or sharpening.
(1) Note. This subclass does not include blades which are detachable from the handle by means of a connection at the end of the blade, for which see this class, subclasses 236 and 260 and Class 279, Chucks or Sockets, subclass 9.1, or appropriate indented subclass.
(2) Note. This subclass does not include holders for detachable blades, for which see this class, subclasses 329+.
SEE OR SEARCH THIS CLASS, SUBCLASS:
346.58+, for a razor blade made of plural elements.
SEE OR SEARCH CLASS 15, Brushing, Scrubbing, and General Cleaning,
143.1+, for a cleaning implement handle and subclasses 147.1+ for a mop holder.