US PATENT SUBCLASS 337 / 163
.~.~ Delayed action (i.e., time lag)

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.~.~ Delayed action (i.e., time lag) {3}
164  DF  .~.~.~> Utilizing plural fusible elements
165  DF  .~.~.~> With biased direct circuit opening means
166  DF  .~.~.~> With heat absorption, conducting or storage means

DEFINITION

Classification: 337/163

(under subclass 142) Subject matter including fuses with delayed blowing action, the blowing taking place only if an overload current persists a predetermined period of time, depending upon the magnitude of the overload.

(1) Note. For other retarding or delay means used in the

devices of this class, see the subclasses listed under SEARCH THIS CLASS, SUBCLASS in subclass 81.