US PATENT SUBCLASS 122 / 192
.~ Water bridge wall


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

*  DD  HORIZONTAL CYLINDER {6}
192.~ Water bridge wall


DEFINITION

Classification: 122/192

(under the class definition) Horizontal cylindrical boilers having a water-cooled bridge wall.