US PATENT SUBCLASS 122 / *
.~.~.~ Longitudinal


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}
253  DF  .~ Cross {3}
*  DD  .~.~ Over firebox {2}
*.~.~.~ Longitudinal {1}
*  DD  .~.~.~.~> Header {1}