US PATENT SUBCLASS 337 / 321
.~.~.~ Combined with capillary tube or bore

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}
320  DF  .~.~ With diaphragm or bellows structure {1}
321.~.~.~ Combined with capillary tube or bore

DEFINITION

Classification: 337/321

(under subclass 320) Subject matter including specifically recited details of a capillary tube or bore for the expansible fluid whereby a change of volume results from a

change in ambient temperature.

SEE OR SEARCH THIS CLASS, SUBCLASS:

119, for similar subject matter in electrothermally actuated switches.

SEE OR SEARCH CLASS

236, Automatic Temperature and Humidity Regulation, appropriate subclasses, especially

9, 21, 32, and 99 for automatic temperature control devices utilizing capillary tube pressure transmittal means. 310, Electrical Generator or Motor Structure,

68, for motor structure with electric safety devices utilizing capillary tube means.

340, Communications: Electrical, appropriate subclasses, especially

592, for automatic alarms responsive to temperature which may include capillary tube pressure transmitting means.

374, Thermal Measuring and Testing,

202, for expanding fluid thermometers utilizing capillary tube pressure transmitting means.