US PATENT SUBCLASS 313 / 509
.~.~.~ With dielectric layer


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

483  DF  WITH LUMINESCENT SOLID OR LIQUID MATERIAL {4}
498  DF  .~ Solid-state type {8}
506  DF  .~.~ Plural layers {3}
509.~.~.~ With dielectric layer


DEFINITION

Classification: 313/509

(under subclass 506) Subject matter including a dielectric layer.