US PATENT SUBCLASS 340 / 590
.~.~.~ Fusible, frangible, or destructible sensor

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}
590.~.~.~ Fusible, frangible, or destructible sensor {1}
591  DF  .~.~.~.~> Containing pressurized fluid

DEFINITION

Classification: 340/590

Fusible, frangible, or destructible sensor:

(under subclass 584) Subject matter wherein the temperature or heat condition causes the fusing or destruction of at least a portion of the temperature sensor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

577, for a flame detecting device having a portion destroyed by flame.

SEE OR SEARCH CLASS

337, Electricity: Electrothermally or Thermally Actuated Switches,

401+, for a thermally actuated switch with fusible, combustible, or explosive material.

374, Thermal Measuring and Testing,

106, and 160 for fusible thermometers.