US PATENT SUBCLASS 122 / 358
.~.~.~ Transverse drum


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}
355  DF  .~ Zigzag {3}
*  DD  .~.~ Over bridge wall {2}
358.~.~.~ Transverse drum


DEFINITION

Classification: 122/358

(under subclass 355) Devices having water tubes that extend over the bridge wall in a zigzag manner and in communication with one or more transversely posited drums.

SEE OR SEARCH THIS CLASS, SUBCLASS:

331+, for other types of water tube boilers having transversely posited drums.