US PATENT SUBCLASS 34 / 180
.~.~ Plural units

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
179  DF  .~ Stationary receptacle or tube with agitator or conveyor {3}
180.~.~ Plural units

DEFINITION

Classification: 34/180

(under subclass 179) Apparatus including two or more of such means claimed in combination.

(2) Note. Complete the search in this class, subclass 166, where there is gravity feed from one trough or tube to another.

SEE OR SEARCH CLASS

159, Concentrating Evaporators,

17+,.