US PATENT SUBCLASS 122 / 229
.~.~.~ Water grate

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

209.1  DF  SECTIONAL {9}
*  DD  .~ Vertical sections {4}
225 R  DF  .~.~ Transversely positioned {6}
229.~.~.~ Water grate

DEFINITION

Classification: 122/229

(under subclass 225) Devices provided with a water grate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

232, for miscellaneous sectional boilers with water grates.