US PATENT SUBCLASS 337 / 286
.~.~.~.~.~ With delayed action selective 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}
283  DF  .~.~ Plural independent fuses {1}
284  DF  .~.~.~ Selectively or sequentially inserted in same protected circuit {2}
285  DF  .~.~.~.~ Automatic selective means (e.g., repeater type) {2}
286.~.~.~.~.~ With delayed action selective means {1}
287  DF  .~.~.~.~.~.~> Hydraulic or pneumatic

DEFINITION

Classification: 337/286

(under subclass 285) Subject matter wherein the automatic selective means includes structure whereby a pre-selected interval of time is caused to elapse between the blowing of a first fuse and its replacement by a second.