US PATENT SUBCLASS 122 / *
.~.~.~ Plural lower 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}
332  DF  .~ Vertical {10}
*  DD  .~.~ Plural upper transverse drum {1}
*.~.~.~ Plural lower transverse drum {1}
352  DF  .~.~.~.~> Offset firebox