US PATENT SUBCLASS 181 / 233
.~.~ Liquid motion silencer

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


181 /   HD   ACOUSTICS

175  DF  SOUND-MODIFYING MEANS {12}
212  DF  .~ Muffler, fluid conducting type {25}
233.~.~ Liquid motion silencer {1}
234  DF  .~.~.~> Water-closet type

DEFINITION

Classification: 181/233

Liquid motion silencer:

(under subclass 212) Subject matter wherein the fluid conducting attenuating device suppresses the transmission of sound waves or similar vibrations (fluid impulses) along pipes and conduits carrying fluids.

SEE OR SEARCH THIS CLASS, SUBCLASS:

227, for pipe mufflers for handling exhaust gases.

SEE OR SEARCH CLASS

138, Pipes and Tubular Conduits, appropriate subclasses, particularly

26+, and 37+ for related structure.