(under the class definition) Processes wherein an article has sound reproducing grooves formed on its surface by a molding operation.
SEE OR SEARCH THIS CLASS, SUBCLASS:
36, for processes of repairing or restoring articles for use which involve removal of the sound grooves in a record and appropriate subclasses under 239+ for molding operations which produce articles, per se, which may be disclosed to have utility in making sound producing records.
SEE OR SEARCH CLASS
106, Compositions: Coating or Plastic,
37, for sound recording compositions, per se.
205, Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions, 68, for electroforming methods of producing sound records.
369, Dynamic Information Storage or Retrieval,
84+, for dynamic recording.
428, Stock Material or Miscellaneous Articles,
64.1+, for a disc which does not have the sound track.
520, Synthetic Resins or Natural Rubbers, appropriate subclasses, particularly Class 523,
174, for a composition containing a synthetic resin or natural rubber having utility as a phonograph record molding composition or to processes of preparing said composition.