(under subclass 150) Subject matter wherein the mechanism comprises a multiple-tooth, barb-like cutting tool wherein the teeth are shaped to produce a desired surface or contour and the cutting is produced by configuring the teeth such that each tooth projects farther than the preceding tooth.
SEE OR SEARCH CLASS
409, Gear Cutting, Milling, or Planing,
244+, for the process of or machine for broaching, generally, and see the notes thereunder for other broaching.