US PATENT SUBCLASS 122 / 231
.~ Accessories

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

209.1  DF  SECTIONAL {9}
231.~ Accessories

DEFINITION

Classification: 122/231

(under subclass 209) Subject matter relating to specific parts, such as joints, fireboxes, ashpits, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

360, for headers.

511, and the search notes thereunder, for tubes and connections.