US PATENT SUBCLASS 340 / 290
.~.~.~ Engine house apparatus controlling (e.g., releases horses, starts motor)

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}
288  DF  .~.~ Combined (e.g., alarm circuit over power line) {2}
290.~.~.~ Engine house apparatus controlling (e.g., releases horses, starts motor)

DEFINITION

Classification: 340/290

(under subclass 288) Subject matter in which the signaling system is combined with means to control apparatus at the fire station.

(1) Note. The system may, for example, automatically open a door at the engine house when the fire alarm rings.