US PATENT SUBCLASS 122 / 96
.~.~.~ Superposed

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}
51  DF  .~ Horizontal {22}
90  DF  .~.~ Water firebox {8}
96.~.~.~ Superposed

DEFINITION

Classification: 122/96

(under subclass 90) Devices in which the water fireboxes are superposed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

66, and 67, for special types of superposed fuel chambers.