US PATENT SUBCLASS 313 / 371
.~.~ With optical element

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

364  DF  CATHODE RAY TUBE {11}
365  DF  .~ Image pickup tube {6}
371.~.~ With optical element {1}
372  DF  .~.~.~> Light conducting fiber or rod

DEFINITION

Classification: 313/371

(under subclass 365) Subject matter including an optical element associated with the responsive structure to filter, reflect, refract, or restrict light.

(1) Note. Included here are filters, masks, lenses, reflectors and light conducting elements.