US PATENT SUBCLASS 181 / 189
.~.~ Multisection housing

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}
177  DF  .~ Intensifying horn {11}
189.~.~ Multisection housing {1}
190  DF  .~.~.~> Separable

DEFINITION

Classification: 181/189

(under subclass 177) Subject matter wherein the structure forming the sound intensifying horn comprises two or more units attached together. Each unit must include part of a given sound path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

187, for intensifying sections providing plural sound paths.