US PATENT SUBCLASS 110 / 337
.~ Bridgewall

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


110 /   HD   FURNACES

336  DF  WALL STRUCTURE {1}
337.~ Bridgewall

DEFINITION

Classification: 110/337

Bridgewall:

(under subclass 336) Structure relating to wall structure for use at the rear of the fire grate generally provided to turn

the burning flame upwards and to the structure to be heated.

(1) Note. The structure to be heated is usually a boiler water tube.