US PATENT SUBCLASS 337 / 329
.~.~ Contact structure or composition of material

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

298  DF  THERMALLY ACTUATED SWITCHES {7}
306  DF  .~ Expansible or vaporizable fluid actuated {12}
329.~.~ Contact structure or composition of material {2}
330  DF  .~.~.~> With relative position adjustment means
331  DF  .~.~.~> Comprising conductive liquid (e.g., mercury)

DEFINITION

Classification: 337/329

(under subclass 306) Subject matter including significant details of contact structure, arrangement or composition of matter.

(1) Note. For other contact structures or compositions used in devices of this class, see the subclasses listed under SEARCH THIS CLASS, SUBCLASS in subclass 26.

SEE OR SEARCH THIS CLASS, SUBCLASS:

26, 109, 137, 273, and 399, for particular contact structure in other types of electrothermally and thermally actuated switches. See (1) Note above.

122, for similar subject matter in electrothermally responsive expansible fluid actuated switches.

SEE OR SEARCH CLASS

29, Metal Working, 874+, for processes for the manufacture of electrical

contacts.

200, Electricity: Circuit Makers and Breakers,

238+, for switch contact details in general.

252, Compositions,

500+, for electrically conductive compositions.

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

196+, for contact composition or structure in electromagnetic switches.