US PATENT SUBCLASS 337 / 164
.~.~.~ Utilizing plural fusible elements

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


337 /   HD   ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES

14  DF  ELECTROTHERMALLY ACTUATED SWITCHES {9}
142  DF  .~ Fusible element actuated {15}
163  DF  .~.~ Delayed action (i.e., time lag) {3}
164.~.~.~ Utilizing plural fusible elements

DEFINITION

Classification: 337/164

(under subclass 163) Subject matter including at least two or more separate fuse links or fusible elements. Usually the device comprises a first slow acting element; adapted to fuse or melt upon the passage of a moderate overload current for an extended length of time, and a fast acting element adapted to blow instantaneously upon the passage of a fault or short circuit current.

SEE OR SEARCH THIS CLASS, SUBCLASS:

292, for fusible link structure including plural elements connected in series.

293, for plural elements connected in parallel.