US PATENT SUBCLASS 122 / 401
.~.~.~ Chemical feeder

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

Internet Version by PATENTEC © 1999      Terms of Use


122 /   HD   LIQUID HEATERS AND VAPORIZERS

379  DF  CLEANING {9}
397  DF  .~ Trapped circuit {3}
400  DF  .~.~ Surface exit {4}
401.~.~.~ Chemical feeder

DEFINITION

Classification: 122/401

(under subclass 400) Devices with means for feeding a chemical or some composition to the circuit for precipitating the salts in the water.

SEE OR SEARCH CLASS

210, Liquid Purification or Separation,

177+, for a heater, chemical feeder and separator

combination. See the search notes thereunder.