US PATENT SUBCLASS 335 / 304
.~.~.~ With flux leakage-reducing 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}
296  DF  .~ Magnet structure or material {4}
302  DF  .~.~ Permanent magnets {4}
304.~.~.~ With flux leakage-reducing means

DEFINITION

Classification: 335/304

(under subclass 302) Subject matter wherein permanent magnets are mounted or arranged to prevent or substantially reduce stray leakage flux across the airgap.