US PATENT SUBCLASS 313 / 427
.~.~.~ Three or more

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


313 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES

364  DF  CATHODE RAY TUBE {11}
421  DF  .~ Beam deflecting means {7}
426  DF  .~.~ Plural {2}
427.~.~.~ Three or more {3}
428  DF  .~.~.~.~> With convergence
429  DF  .~.~.~.~> Field varied near screen (i.e., post deflection) {1}
431  DF  .~.~.~.~> Plural magnetic

DEFINITION

Classification: 313/427

(under subclass 426) Subject matter including three or more beam deflecting means.

(1) Note. The deflecting means may all be electrostatic, all electromagnetic or may include both electrostatic and electromagnetic.

SEE OR SEARCH THIS CLASS, SUBCLASS:

409+, and in particular 413 for the deflection of plural cathode rays.