US PATENT SUBCLASS 337 / 401
.~ With fusible, combustible or explosive material

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

298  DF  THERMALLY ACTUATED SWITCHES {7}
401.~ With fusible, combustible or explosive material {5}
402  DF  .~.~> With manual, gravity-actuated or other mechanical contact control means {4}
412  DF  .~.~> Plural independent fuse elements with single circuit completion means
413  DF  .~.~> Contact structure or composition of material
414  DF  .~.~> Housing, casing or support means {1}
416  DF  .~.~> Fusible, link or element structure or composition of material

DEFINITION

Classification: 337/401

(under subclass 298) Subject matter wherein the thermal responsive element, or elements, consists of material, usually a wire or strip, which melts or otherwise disintegrates under the influence of heat generated in its immediate surroundings, thereby causing the opening or closing of an electric circuit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

30, for electrothermal switch combined with space discharge device and including an explosive or combustible material control means.

142+, for similar subject matter in electrothermally actuated switches.

243, for cartridge fuse with a signal or indicator comprising explosive material.

SEE OR SEARCH CLASS

52, Static Structures (e.g., Buildings), 232, for building structures combined with a fuse.

73, Measuring and Testing,

1.42+, for timing apparatus for measuring and testing and containing a fuse.

116, Signals and Indicators,

106, for fusible controlled signals and indicators.

122, Liquid Heaters and Vaporizers,

504.1, and 504.3 for fusible controlled safety devices in liquid heaters and vaporizers.

126, Stoves and Furnaces,

287.5, for dampers with fusible release.

169, Fire Extinguishers,

42, for fire extinguishers with fusible connections.

219, Electric Heating,

517, for thermally responsive automatic connection or disconnection devices for electric heaters with fusible element control.

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,

142, for electromagnetic switches with fuse means.

340, Communications: Electrical,

638+, for fuse with automatic alarm responsive to the condition of the fuse.

493, Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web,

269+, for fuse tube manufacturing.