US PATENT SUBCLASS 340 / 304
.~.~ False alarm combating (e.g., detention devices)


Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

286.01  DF  SYSTEMS {24}
287  DF  .~ Signal box type (e.g., to call messenger, plural fire alarm boxes) {11}
304.~.~ False alarm combating (e.g., detention devices)


DEFINITION

Classification: 340/304

(under subclass 287) Subject matter provided with means for combating false alarms.

(1) Note. The signal box may, for example, be provided with means for detaining, as by hand-cuffing means, the person who sends in an alarm.

SEE OR SEARCH THIS CLASS, SUBCLASS:

301, for signal box systems where the person turning in the alarm must surrender an individual key to the signal box mechanism before he can send the alarm.