US PATENT SUBCLASS 202 / 258
.~.~.~ Valved

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}
239  DF  .~ Elements {10}
254  DF  .~.~ Offtakes {6}
258.~.~.~ Valved

DEFINITION

Classification: 202/258

The offtake or offtakes are valved.