US PATENT SUBCLASS 122 / 66
.~.~.~ Water coking chamber

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

44.1  DF  FIRE TUBE {11}
51  DF  .~ Horizontal {22}
58 R  DF  .~.~ Drop water firebox {11}
66.~.~.~ Water coking chamber

DEFINITION

Classification: 122/66

(under subclass 58) Devices containing a water-cooled coking chamber for fuel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

67, and 92, for analogous art.

SEE OR SEARCH CLASS

110, Furnaces,

230+, for similar art.