US PATENT SUBCLASS 202 / 267.2
.~.~.~ Corrugated walls


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}
267.1  DF  .~.~ Materials of construction {1}
267.2.~.~.~ Corrugated walls


DEFINITION

Classification: 202/267.2

Corrugate walls:

(under subclass 267.1) Subject matter wherein the walls of the structure display alternately ridges and groves or furrows.