US PATENT SUBCLASS 368 / 257
.~.~.~ With mechanical let-off

Current as of: June, 1999
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368 /   HD   HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES

243  DF  SIGNALLING MEANS {6}
244  DF  .~ Time condition responsive (i.e., alarm) {10}
250  DF  .~.~ Electrical {8}
257.~.~.~ With mechanical let-off {1}
258  DF  .~.~.~.~> Having alarm winding arbor

DEFINITION

Classification: 368/257

With mechanical let-off:

(under subclass 250) Subject matter wherein the alarm circuit is closed by means set in operation by a mechanical trigger or the like.