US PATENT SUBCLASS 337 / 284
.~.~.~ Selectively or sequentially inserted in same protected circuit

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.~.~.~ Selectively or sequentially inserted in same protected circuit {2}
285  DF  .~.~.~.~> Automatic selective means (e.g., repeater type) {2}
289  DF  .~.~.~.~> Rotary selector means

DEFINITION

Classification: 337/284

(under subclass 283) Subject matter including details of means whereby each of the individual fuses may be separately inserted in a single electric circuit in sequence or selectively at the will of an operator.

SEE OR SEARCH CLASS

307, Electrical Transmission and Interconnection Systems,

141.8, for series connected switches with time delay means which may comprise fusible elements.

361, Electricity: Electrical Systems and Devices,

103+, for thermally actuated protective devices comprising plural fuse means in parallel.