(under subclass 28) Method wherein the abradant, either particulate material or bonded tool, is altered in state or shape in preparation for, or as an incidence of, the abrading operation.
(1) Note. The mutual attrition between tool and workpiece is not considered to be "tool treating or forming."
SEE OR SEARCH THIS CLASS, SUBCLASS:
35, for work treatment auxiliary to a tumbling operation, and see the search notes thereunder.
SEE OR SEARCH CLASS
51, Abrasive Tool Making Process, Material, or Composition, for an abrasive tool making process, material, or composition not elsewhere classifiable; and see the search notes thereunder.
