US PATENT SUBCLASS 523 / 174
.~.~ Phonograph record molding composition or process of preparing

Current as of: June, 1999
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523 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
1  DF  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF {71}
174.~.~ Phonograph record molding composition or process of preparing

DEFINITION

Classification: 523/174

Phonograph record molding composition or process of preparing:

(under subclass 1) Subject matter wherein a composition having utility as a phonograph record molding composition or a phonograph record, per se, is claimed or solely disclosed or to processes of preparation thereof.

(1) Note. For an explanation of patent placement referring to claimed or solely disclosed, see (in the class definition) the section of SEARCH THIS CLASS, SUBCLASS that refers to this subclass.

(2) Note. Included herein are phonograph record compositions, per se, without significant structure.

(3) Note. A molding composition which is not solely disclosed as useful in preparing a phonograph record is placed as appropriate in classes 523 and 524 hereinbelow.

SEE OR SEARCH CLASS

264, Plastic and Nonmetallic Article Shaping or Treating: Processes,

36.13, for a process of repairing or restoring articles which have utility in making sound producing records; subclasses 106+ for a process of molding or shaping an article to produce sound reproducing grooves on its surface, and subclasses 239+ for molding operations which produce articles, per se, and which have utility in making sound producing records. 369, Dynamic Information Storage or Retrieval,

272+, for a composition with sufficient claimed structure for records of sound or having such records formed in or on them. The mere presence of "sound grooves" but not the structure thereof is not considered significant sound record structure.

428, Stock Material or Miscellaneous Articles, appropriate subclasses for a disc of the type used in producing a sound record wherein some specific structure is recited, e.g., grooves, center hole, or circular shape, but does not include sound.