US PATENT SUBCLASS 202 / 185.3
.~.~.~.~.~.~ Air condensers


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

Internet Version by PATENTEC © 1999      Terms of Use



202 /   HD   DISTILLATION: APPARATUS

81  DF  APPARATUS {4}
82  DF  .~ Systems {6}
152  DF  .~.~ Separatory {3}
163  DF  .~.~.~ Still {13}
182  DF  .~.~.~.~ With vapor-treating devices {7}
185.1  DF  .~.~.~.~.~ Condenser {10}
185.3.~.~.~.~.~.~ Air condensers


DEFINITION

Classification: 202/185.3

Air condensers:

(under subclass 185.1) Subject matter in which the cooling or the vapor is effected by air at a lower temperature than the vapor on the outer surface of the vapor container.