US PATENT SUBCLASS 134 / 37
.~.~ Gas or vapor blasts or currents

Current as of: June, 1999
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134 /   HD   CLEANING AND LIQUID CONTACT WITH SOLIDS

*  DD  PROCESSES {23}
34  DF  .~ With treating fluid motion {3}
37.~.~ Gas or vapor blasts or currents

DEFINITION

Classification: 134/37

(under subclass 34) Processes which include treating the work with a gaseous or vaporous blast or a gaseous or vaporous current.

SEE OR SEARCH THIS CLASS, SUBCLASS:

30, for sequentially applied fluid agents, one being a gas or vapor current or blast.

36, for gas or vapor currents or blasts used to admix with other treating agents.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids, the subclasses starting with

283, for processes of treating solids with gases or vapors for drying or for purposes other than cleaning.