US PATENT SUBCLASS 340 / 589
.~.~.~.~ Rate of temperature change

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

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
584  DF  .~.~ Thermal {8}
588  DF  .~.~.~ Time-temperature relationship (e.g., overtemperature exceeds predetermined interval or time-temperature integral) {1}
589.~.~.~.~ Rate of temperature change

DEFINITION

Classification: 340/589

Rate of temperature change:

(under subclass 588) Subject matter wherein the time-temperature relationship is the time rate of change of the temperature.