US PATENT SUBCLASS 122 / 198
.~.~ Lateral-vertical

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

*  DD  HORIZONTAL CYLINDER {6}
195  DF  .~ Water tube {7}
198.~.~ Lateral-vertical {1}
199  DF  .~.~.~> Firebox

DEFINITION

Classification: 122/198

(under subclass 195) Devices arranged vertically on the sides thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

51, 53, 138, and 153+, for analogous art.