US PATENT SUBCLASS 337 / 241
.~.~.~.~ With indicating or inspection 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}
227  DF  .~.~ Fuse link carrier or holder {2}
228  DF  .~.~.~ Cartridge or tube {9}
241.~.~.~.~ With indicating or inspection means {3}
242  DF  .~.~.~.~.~> Glow lamp
243  DF  .~.~.~.~.~> Chemical means
244  DF  .~.~.~.~.~> Movable or displaceable element (e.g., plunger or semaphore)

DEFINITION

Classification: 337/241

(under subclass 228) Subject matter wherein the cartridge or tube structure is recited as including means whereby the physical condition of the fusible element may be readily ascertained, as by visual or audible perception.

(1) Note. For other signals or indicators used in devices of this class, see the subclasses listed under SEARCH THIS CLASS, SUBCLASS in subclass 79.

SEE OR SEARCH THIS CLASS, SUBCLASS:

265+, for plug type fuse carriers with indicating means. See (1) Note above.

SEE OR SEARCH CLASS

340, Communications: Electrical, 638+, for electrical signals and/or alarms responsive to the condition of a fuse.