US PATENT SUBCLASS 428 / 65.3
.~.~ Magnetic recording medium or carrier

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

64.1  DF  CIRCULAR SHEET OR CIRCULAR BLANK {8}
64.2  DF  .~ Recording medium or carrier {5}
65.3.~.~ Magnetic recording medium or carrier {4}
65.4  DF  .~.~.~> Lubricant containing
65.5  DF  .~.~.~> Protective layer containing
65.6  DF  .~.~.~> Aluminum containing
65.7  DF  .~.~.~> Chromium containing

DEFINITION

Classification: 428/65.3

Magnetic recording medium or carrier:

(under subclass 64.2) Subject matter wherein the recording medium or carrier contains magnetizable material in the form of particles, film, coating, layer, or impregnant which is intended for the storage of more than a single bit of information to be read by a magnetic head.