US PATENT SUBCLASS 122 / 157
.~.~ Central magazine

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

135.1  DF  FLUE {4}
155.1  DF  .~ Vertical {16}
157.~.~ Central magazine {1}
158  DF  .~.~.~> Water jacket

DEFINITION

Classification: 122/157

(under subclass 155) Vertical flue boilers having a centrally posited fuel magazine not otherwise provided for.

SEE OR SEARCH THIS CLASS, SUBCLASS:

117, and 128, for vertical fire tube boilers with central magazines.

162, and 168, for other vertical flue boilers having a central fuel magazine.