US PATENT SUBCLASS 219 / 517
.~.~.~.~ Fusible link


Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

200  DF  HEATING DEVICES {14}
507  DF  .~ With current connection and/or disconnection means (e.g., switch) {2}
509  DF  .~.~ Automatically operated {3}
510  DF  .~.~.~ Thermally responsive {7}
517.~.~.~.~ Fusible link


DEFINITION

Classification: 219/517

(under subclass 510) Subject matter wherein the thermally responsive means comprises fusible material. The material may be either directly in the electrical circuit so that upon fusing it opens the circuit directly or may comprise some securing device which upon fusing allows a circuit completion means to open or close.

SEE OR SEARCH THIS CLASS, SUBCLASS:

253, for electric flatiron type devices with thermally responsive fusible means in the power supply circuit.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

61.08, for circuit breakers of the frangible or destructible type.

337, Electricity: Electrothermally or Thermally Actuated Switches, 142+, and 401+ for electrothermal and thermally actuated switches utilizing fusible material.