US PATENT SUBCLASS 337 / 97
.~.~ With switch structure protective means

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

14  DF  ELECTROTHERMALLY ACTUATED SWITCHES {9}
36  DF  .~ With bimetallic elements (i.e., motion takes place in a plane at right angles to its major axis) {10}
97.~.~ With switch structure protective means

DEFINITION

Classification: 337/97

(under subclass 36) Subject matter including significant

details of means whereby the switch device is protected from electrical or physical damage; such as contact welding, burning or pitting, physical breakage or damage due to jar, overheating, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

222+, for electrothermal fusible element switches with switch protective means.

SEE OR SEARCH CLASS

307, Electrical Transmission or Interconnection Systems,

134+, for electrical switching systems with self protective features. 335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,

156+, for electromagnetically operated switches with protective means for the switch or contacts and subclass 193 for significant contact actuating with means for preventing vibration, bounce or chatter.