US Patent Class 335
ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS-- Main Headings



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Current as of: June, 1999
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CLASS NOTES
1  DF  COMBINED DIVERSE SWITCHES (E.G., MANUAL-ACTUATED AND ART TYPE)
2  DF  ELECTROMAGNETICALLY ACTUATED SWITCHES {30}
205  DF  PERMANENT MAGNET-ACTUATED SWITCHES {3}
209  DF  MAGNETS AND ELECTROMAGNETS {10}