US PATENT SUBCLASS 122 / *
.~.~ Casing

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

13.1  DF  STAND BOILER {6}
*  DD  .~ Water tube {2}
*.~.~ Casing {1}
19  DF  .~.~.~> Fluid fuel