US PATENT SUBCLASS 122 / 353
.~ Water grate


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

235.11  DF  WATER TUBE {52}
353.~ Water grate {1}
354  DF  .~.~> Downdraft


DEFINITION

Classification: 122/353

(under subclass 235) Devices with water grates that are not otherwise provided for.

SEE OR SEARCH THIS CLASS, SUBCLASS:

286, 287, 289, and 354, for other water tube boilers with water grates.