US PATENT SUBCLASS 313 / 440
.~.~ With yoke

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

364  DF  CATHODE RAY TUBE {11}
421  DF  .~ Beam deflecting means {7}
440.~.~ With yoke

DEFINITION

Classification: 313/440

(under subclass 421) Subject matter including coil laminations surrounding the cathode ray to provide deflection.

SEE OR SEARCH THIS CLASS, SUBCLASS:

413, for means for deflecting plural beams.

431, for two or more magnetic means for deflecting the beam.

433, for one or two magnetic means combined with electrostatic means for deflecting the beam.

SEE OR SEARCH CLASS 335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,

210+, for means external of a cathode-ray tube to deflect or form the beam.