US PATENT SUBCLASS 34 / 175
.~.~ With venting means or wall

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

Internet Version by PATENTEC © 1999      Terms of Use


34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
165  DF  .~ Gravity flow type {7}
175.~.~ With venting means or wall

DEFINITION

Classification: 34/175

(under subclass 165) Apparatus including means to vent the gases or vapors given off by the material treated.

(1) Note. Venting means does not include an open top.

SEE OR SEARCH THIS CLASS, SUBCLASS:

140, and 235.