US PATENT SUBCLASS 122 / 209.1
SECTIONAL

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

209.1SECTIONAL {9}
209.2  DF  .~> Feeding air
213  DF  .~> Plural firebox
*  DD  .~> Horizontal sections {1}
*  DD  .~> Vertical sections {4}
212.1  DF  .~> With magazine {1}
211  DF  .~> Fluid or solid fuel
210  DF  .~> Fluid fuel
232  DF  .~> Water grate
231  DF  .~> Accessories

DEFINITION

Classification: 122/209.1

SECTIONAL:

(under the class definition) Boilers made of separate parts generally formed of cast metal sections and not otherwise classifiable.

SEE OR SEARCH THIS CLASS, SUBCLASS:

44+, 135+ and 235+, for sectional water tube boilers having fire tubes, flues or water tubes.