(under subclass 445) Products or processes wherein the product is carbon crystallized in the isometric form, usually in octahedral shape.
SEE OR SEARCH CLASS
117, Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor,
79, for processes for growing therein-defined single-crystal of diamond and subclass 929 for the art collection of carbon single-crystal references. Class 423, subclass 446, is a mandatory search and cross-reference for patents directed to forming a free-standing single-crystal diamond even though properly placed in Class 117 as an original.
264, Plastic and Nonmetallic Article Shaping or Treating: Processes,
84, for the process of molding with a high pressure generated by an explosive force.
425, Plastic Article or Earthenware Shaping or Treating: Apparatus, 1, for apparatus for molding with a high pressure generated by an explosive force; subclass 77 for making diamonds by applying ultra high pressure.
