US PATENT SUBCLASS 335 / 214
.~.~.~ With electric or magnetic-shielding means

Current as of: June, 1999
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335 /   HD   ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS

209  DF  MAGNETS AND ELECTROMAGNETS {10}
210  DF  .~ Electron or ion beam deflecting type {3}
213  DF  .~.~ With coil structure {1}
214.~.~.~ With electric or magnetic-shielding means

DEFINITION

Classification: 335/214

(under subclass 213) Subject matter including electric or magnetic shielding means in combination with the coil structure for shielding at least part of the beam deflecting means from external electric or magnetic fields, or for preventing the coil of the deflecting means from emanating undesired electric or magnetic fields.

SEE OR SEARCH THIS CLASS, SUBCLASS:

202, for electromagnetic switch with electric or magnetic shielding means.

301, for shielding means in combination with magnets or electromagnetic relays not particularly related to electron or ionic beam deflection.

SEE OR SEARCH CLASS

174, Electricity: Conductors and Insulators,

35, for shields or screens, per se, of general utility. 336, Inductor Devices,

84, for inductor devices provided with shield means.