US PATENT SUBCLASS 70 / 271
.~.~ Electric

Current as of: June, 1999
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70 /   HD   LOCKS

266  DF  OPERATING MECHANISM {6}
267  DF  .~ Predetermined time interval controlled {3}
271.~.~ Electric

DEFINITION

Classification: 70/271

(under subclass 267) Subject matter in which the motivating means comprises some electrical means.