US PATENT SUBCLASS 122 / 235.16
.~ For plural fluids

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

235.11  DF  WATER TUBE {52}
235.16.~ For plural fluids

DEFINITION

Classification: 122/235.16

For plural fluids:

(under subclass 235.11) Devices having multiple fluids which are heated in the boiler.