US PATENT SUBCLASS 313 / 407
.~.~ With frame

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

364  DF  CATHODE RAY TUBE {11}
402  DF  .~ Shadow mask, support or shield {4}
407.~.~ With frame

DEFINITION

Classification: 313/407

(under subclass 402) Subject matter including a frame for supporting the shadow mask or shield.