US PATENT SUBCLASS 122 / 481
.~.~ Firebox

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

459  DF  STEAM TREATMENT {7}
*  DD  .~ Superheater {8}
481.~.~ Firebox

DEFINITION

Classification: 122/481

(under subclass 459) Subject matter relating to superheaters located in the firebox of any type of boiler, or the superheater may be located around the firebox.