US PATENT SUBCLASS 51 / 309
.~ Metal or metal oxide


Current as of: June, 1999
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51 /   HD   ABRASIVE TOOL MAKING PROCESS, MATERIAL, OR COMPOSITION

307  DF  WITH INORGANIC MATERIAL {2}
309.~ Metal or metal oxide


DEFINITION

Classification: 51/309

Metal or metal oxide:

(under subclass 307) Subject matter in which the inorganic material comprises a metal or metal oxide.

SEE OR SEARCH CLASS

29, Metal Working,

4.51+, for shredding metal or metal wool article making.

419, Powder Metallurgy Processes, for a method involving use of a sintering powder comprising a metal and a nonmetal in the final product, especially

10+,.

423, Chemistry of Inorganic Compounds, for an inorganic metal compound (e.g., comprised of a carbide and a nonmetal element (e.g., diamond, per se)) or a process for preparation of an inorganic metal compound involving a chemical reaction.

428, Stock Material or Miscellaneous Articles, 564, and 565 for metallic stock material having a particulate metal component which contains nonmetal particles; subclass 605 for steel wool, per se; and subclass 610 for metallic stock material having a composition gradient.