US PATENT SUBCLASS 313 / 477 HC
.~.~ With details of high-voltage connector

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

364  DF  CATHODE RAY TUBE {11}
477 R  DF  .~ Envelope {6}
477 HC.~.~ With details of high-voltage connector

Unofficial Alpha Subclasses: R HC

DEFINITION

Classification: 313/477

(under subclass 364) Subject matter including an envelope.