(under subclass 1) Process in which excess material in the form of flash, trim, rejected products or used mold materials resulting from an intermittent or continuous process or treating materials therefor, are recycled or reused in the molding operation with or without purification, reclamation or separation of the desired constituents from contaminants.
(1) Note. To be placed herein, a patent must recite a recycling of material employed previously in the mold making or casting process.
(2) Note. The use of scrap or worn materials employed in commerce are not considered to involve a recycling step.
SEE OR SEARCH THIS CLASS, SUBCLASS:
92.1, for processes of repairing or restoring articles for use.
SEE OR SEARCH CLASS
264, Plastic and Nonmetallic Article Shaping or Treating: Processes,
37.1+, for processes of recycling of reclaimed or purified process material utilized in a nonmetallic molding operation.