US PATENT SUBCLASS 313 / 467
.~.~ Phosphor composition

Current as of: June, 1999
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313 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES

364  DF  CATHODE RAY TUBE {11}
461  DF  .~ Screen {10}
467.~.~ Phosphor composition {2}
468  DF  .~.~.~> Rare earth
469  DF  .~.~.~> Embedded in face plate

DEFINITION

Classification: 313/467

(under subclass 461) Subject matter including a particular phosphor composition.