US PATENT SUBCLASS 122 / 262
.~ Horizontal


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

235.11  DF  WATER TUBE {52}
262.~ Horizontal {2}
263  DF  .~.~> Over bridge wall
264  DF  .~.~> Over firebox


DEFINITION

Classification: 122/262

(under subclass 235) Water tube boilers that are horizontal and do not fall within the definitions of other subclasses.

SEE OR SEARCH THIS CLASS, SUBCLASS:

102, for horizontal fire tube boilers having horizontal water tubes over the bridge wall.

197, 201, and 203 to 207, for horizontal cylindrical boilers provided with horizontal water tubes.

236, for horizontal water tube boilers heated by fluid fuel, except the zigzag type noted in the other notes.

267, for horizontal tubes provided with internal fire tubes.

279, for horizontally disposed looped tubes. 285, 286, 287, 289, and 354, for horizontal water tube boilers with water grates.

316, for horizontal spur tubes over the firebox.

353, for water tube water grates.