US PATENT SUBCLASS 122 / 232
.~ Water grate

Current as of: June, 1999
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122 /   HD   LIQUID HEATERS AND VAPORIZERS

209.1  DF  SECTIONAL {9}
232.~ Water grate

DEFINITION

Classification: 122/232

(under subclass 209) Sectional boilers having a water grate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

229, for vertical sectional boilers having a water grate.

371, for miscellaneous boilers with water grates, and see the the list of subclasses thereunder of boilers with water grates.