US PATENT SUBCLASS 313 / 457
.~.~.~ Parallel rod type

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

364  DF  CATHODE RAY TUBE {11}
441  DF  .~ Ray generating or control {6}
456  DF  .~.~ With support for electrode {1}
457.~.~.~ Parallel rod type

DEFINITION

Classification: 313/457

(under subclass 456) Subject matter wherein the support structure is in the form of an insulating rod or rods supporting an electrode and extending parallel to the electron beam.