US PATENT SUBCLASS 122 / 110
.~.~ Horizontal boiler

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}
*  DD  .~ Transverse {3}
110.~.~ Horizontal boiler

DEFINITION

Classification: 122/110

(under subclass 44) Subject matter relating to horizontally disposed boilers having transverse fire tubes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

56, and 191, for analogous art.

81, for horizontal fire tube boilers with transverse fire tubes.

113, for combinations of transverse fire tubes, with water tubes.