US PATENT SUBCLASS 337 / 328
.~.~.~ With pressure relief (e.g., venting)

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}
327  DF  .~.~ Housing, casing or support means {1}
328.~.~.~ With pressure relief (e.g., venting)

DEFINITION

Classification: 337/328

(under subclass 327) Subject matter including specifically recited means for relieving excess pressure generated within the housing or the fluid container, as by venting.

SEE OR SEARCH CLASS

73, Measuring and Testing,

738, for fluid pressure gauges of the Bourdon type having pressure relief means.