US PATENT SUBCLASS 70 / 427
.~.~.~.~ Key-controlled


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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.~.~.~.~ Key-controlled {1}
428  DF  .~.~.~.~.~> Portable


DEFINITION

Classification: 70/427

(under subclass 423) Devices which are secured or their operation effected by means of a key control mechanism.