US PATENT SUBCLASS 70 / 429
.~.~.~ Key securers, fasteners or retainers

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}
429.~.~.~ Key securers, fasteners or retainers {1}
430  DF  .~.~.~.~> Portable

DEFINITION

Classification: 70/429

(under subclass 416) Devices retaining the key in association with the lock to prevent manipulation thereof, by unauthorized or surreptitious means, or to prevent the forcible ejection of the key from the key-hole.