US PATENT SUBCLASS 159 / 39
.~.~ Liquid tubes in flue

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

Internet Version by PATENTEC © 1999      Terms of Use


159 /   HD   CONCENTRATING EVAPORATORS

32  DF  OPEN PANS {6}
38  DF  .~ Furnace heated {3}
39.~.~ Liquid tubes in flue

DEFINITION

Classification: 159/39

(under subclass 38) Open pans in which tubes are provided for communicating with the interior of the pan to circulate the liquid undergoing evaporation through the furnace or flue.

SEE OR SEARCH THIS CLASS, SUBCLASS:

26.1+, for closed evaporating chambers with heated tubes.

SEE OR SEARCH CLASS

122, Liquid Heaters and Vaporizers,

235.11+, and 406.1+ for water-tube structure and arrangement.