US PATENT SUBCLASS 159 / 33
.~ With rakes
Current as of:
June, 1999
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159 /
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CONCENTRATING EVAPORATORS
32
DF
OPEN PANS
{6}
33
.~ With rakes
DEFINITION
Classification: 159/33
(under subclass 32) Open pans in combination with means to scrape from the interior surface of the pan solids deposited thereon.
SEE OR SEARCH THIS CLASS, SUBCLASS:
25.1+, for rotating scraper arms in closed pans.
SEE OR SEARCH CLASS
34, Drying and Gas or Vapor Contact With Solids,
179+, for contact apparatus including a stationary receptacle or tube combined with an agitator or conveyor.
209, Classifying, Separating, and Assorting Solids, 453, for rotary pans and stirrers.
422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,
129+, and 245.1+ for non-coating crystallizer apparatus excluded from Class 159 and not provided for elsewhere.
