US PATENT SUBCLASS 428 / 694 R
.~.~.~.~ Dynamic recording medium

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

411.1  DF  COMPOSITE (NONSTRUCTURAL LAMINATE) {25}
688  DF  .~ Of inorganic material {1}
689  DF  .~.~ Metal-compound-containing layer {7}
692  DF  .~.~.~ Defined magnetic layer {2}
694 R.~.~.~.~ Dynamic recording medium {5}
694 ML  DF  .~.~.~.~.~> Magneto optical recording layer {7}
694 T  DF  .~.~.~.~.~> Metal thin film magnetic layer {5}
694 B  DF  .~.~.~.~.~> Binder containing magnetic layer {10}
694 ST  DF  .~.~.~.~.~> Support composition specified {2}
695  DF  .~.~.~.~.~> With lubricant in or on layer

Unofficial Alpha Subclasses: R ML SC LE GT DE MT RE NF XS RL AH MM EC IS GR PR MP TS TB TP TC TZ TF TR TM BC BG BU BY BL BP BF BS BB BR BN BA BH BM ST SL SG

DEFINITION

Classification: 428/694

Dynamic recording medium:

(under subclass 692) Subject matter which has a use as a recording medium, e.g., tape, disc, etc., which is "read" by using relative motion between the medium and the reading device and wherein the composition of a backing or support material is not defined in the claims.

SEE OR SEARCH CLASS

360, Dynamic Magnetic Information Storage or Retrieval,

134, for a recording tape having material recorded thereon.