US PATENT SUBCLASS 181 / 282
.~.~.~ Casings

Current as of: June, 1999
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181 /   HD   ACOUSTICS

175  DF  SOUND-MODIFYING MEANS {12}
212  DF  .~ Muffler, fluid conducting type {25}
264  DF  .~.~ With baffle or baffle structure {9}
282.~.~.~ Casings {1}
283  DF  .~.~.~.~> Air or liquid cooled

DEFINITION

Classification: 181/282

Casings:

(under subclass 264) Subject matter comprising the jacket or housing structure of the fluid handling device wherein the jacket or housing structure is more than nominally recited.

SEE OR SEARCH CLASS

165, Heat Exchange,

52, 154, or 157 for casings with a surrounding jacket to form a space for circulating cooling fluids.