US PATENT SUBCLASS 337 / 165
.~.~.~ With biased direct circuit opening means

Current as of: June, 1999
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337 /   HD   ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES

14  DF  ELECTROTHERMALLY ACTUATED SWITCHES {9}
142  DF  .~ Fusible element actuated {15}
163  DF  .~.~ Delayed action (i.e., time lag) {3}
165.~.~.~ With biased direct circuit opening means

DEFINITION

Classification: 337/165

(under subclass 163) Subject matter including significant details of metallic contact means normally completing an electric circuit through the fusible element device with means whereby, the metallic contacts are physically forced to an open position upon failure of the fusible element due to the passage of a heating current therethrough.