US PATENT SUBCLASS 340 / 870.16
.~ Condition responsive

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

870.01  DF  CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) {15}
870.16.~ Condition responsive {1}
870.17  DF  .~.~> Temperature

DEFINITION

Classification: 340/870.16

Condition responsive:

(under subclass 870.01) Subject matter having electrical means to provide a humanly perceptible signal in response to the attainment of a predetermined value of a specific variable.

SEE OR SEARCH THIS CLASS, SUBCLASS:

500+, for alarms which are automatically responsive to a condition.