US PATENT SUBCLASS 369 / 272
STORAGE MEDIUM STRUCTURE

Current as of: June, 1999
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369 /   HD   DYNAMIC INFORMATION STORAGE OR RETRIEVAL

272STORAGE MEDIUM STRUCTURE {11}
273  DF  .~> Combined with diverse art structure
274  DF  .~> Composite (e.g., package with preview record)
275.1  DF  .~> Optical track structure (e.g., phase or diffracting structure, etc.) {4}
276  DF  .~> Electrical track structure
277  DF  .~> Special groove (e.g., particular groove shape) {2}
280  DF  .~> Specific disc profile {1}
282  DF  .~> Specified center hole or locating structure
283  DF  .~> Layered (e.g., permanent protective layer) {2}
287  DF  .~> Flexible
288  DF  .~> Specified material
289  DF  .~> Adjuncts or adapters {2}

DEFINITION

Classification: 369/272

STORAGE MEDIUM STRUCTURE:

(under the class definition) Subject matter wherein the specific structure of the information bearing storage medium is recited.

(1) Note. A blank or starting piece not limited to storage or retrieval is classified elsewhere, appropriate to the actual blank. See search notes below.

(2) Note. Mention of intended use such as in the preamble of the claim is not enough for classification in this subclass.

SEE OR SEARCH CLASS

206, Special Receptacle or Package,

307+, for a container under the class definition for removably containing an article which includes machine readable information registered thereon.

252, Compositions, appropriate subclasses such as for surface lubricants. 346, Recorders,

200+, for a record blank without grooves.

352, Optics: Motion Pictures,

92, 102+, and 232+ for structure of storage medium structure limited to motion pictures.

360, Dynamic Magnetic Information Storage or Retrieval,

131+, for structure of record medium limited to magnetic storage.

425, Plastic Article or Earthenware Shaping or Treating: Apparatus, appropriate subclasses for subject matter not including storing or information.

427, Coating Processes, appropriate subclasses for article and process of making where not limited to a blank with an information track.

428, Stock Material or Miscellaneous Articles,

44+, for stock material without an information bearing track.