US PATENT SUBCLASS 122 / 460
.~ Boilers with superheaters

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

459  DF  STEAM TREATMENT {7}
460.~ Boilers with superheaters

DEFINITION

Classification: 122/460

(under subclass 459) Subject matter comprising general combinations of boilers of a miscellaneous structure with steam superheaters, not defined in other subclasses. Superheaters of use only as a steam superheater are classified here.

SEE OR SEARCH THIS CLASS, SUBCLASS:

477, for combinations of water tube boilers with steam superheaters and feed water heaters.

485, for superheaters with a separate furnace.