US PATENT SUBCLASS 122 / 71
.~.~.~.~ Solid baffle

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}
68  DF  .~.~.~ Water tube {3}
71.~.~.~.~ Solid baffle

DEFINITION

Classification: 122/71

(under subclass 68) Devices with solid baffle brick combined with the tubes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

61, 65, 68, and 69, for analogous art.

SEE OR SEARCH CLASS

110, Furnaces,

324+, for similar art disclosed.