US PATENT SUBCLASS 70 / 276
.~.~ Permanent magnet

Current as of: June, 1999
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70 /   HD   LOCKS

266  DF  OPERATING MECHANISM {6}
275  DF  .~ Using a powered device (e.g., motor) {2}
276.~.~ Permanent magnet

DEFINITION

Classification: 70/276

(under subclass 275) Devices embodying a permanent magnet.