(under subclass 209) Subject matter including magnetic means for maintaining a blade such as a knife or razor blade in a sharp, burr free condition.
(1) Note. Generally the cutting edge of the blade is held
flat against the face of a magnet or in the field of the magnet for the purpose of straightening out the microscopic burrs on the cutting edge of the blade.
SEE OR SEARCH CLASS
30, Cutlery,
35+, for razors having means to facilitate the sharpening of their blades (Note especially subclass 36) and subclasses 138+ for other cutting tools combined with a sharpening means.
76, Metal Tools and Implements, Making, 81, 89.2 for tool sharpeners.
132, Toilet,
292, for toilet kits having as part thereof magnet sharpening means.
279, Chucks or Sockets, appropriate subclasses for blade and tool handles having magnetic holding means.
451, Abrading,
45, for a process of sharpening a cutting blade by abrading means.
