US PATENT SUBCLASS 70 / 428
.~.~.~.~.~ Portable

Current as of: June, 1999
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70 /   HD   LOCKS

266  DF  OPERATING MECHANISM {6}
336  DF  .~ Key {10}
416  DF  .~.~ Tampering prevention or attack defeating {6}
423  DF  .~.~.~ Keyhole guards {3}
427  DF  .~.~.~.~ Key-controlled {1}
428.~.~.~.~.~ Portable

DEFINITION

Classification: 70/428

(under subclass 427) Devices of a portable character and readily attachable and detachable.