US PATENT SUBCLASS 313 / 473
.~.~ Plural layer type

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

Internet Version by PATENTEC © 1999      Terms of Use


313 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES

364  DF  CATHODE RAY TUBE {11}
461  DF  .~ Screen {10}
473.~.~ Plural layer type

DEFINITION

Classification: 313/473

(under subclass 461) Subject matter wherein the screen comprises more than one light-generating or modulating layers.