US PATENT SUBCLASS 122 / 119
.~.~ Cylinder

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

44.1  DF  FIRE TUBE {11}
114  DF  .~ Vertical {13}
119.~.~ Cylinder

DEFINITION

Classification: 122/119

(under subclass 114) Devices in vertical cylindrical boilers.