US PATENT SUBCLASS 122 / 500
.~.~ Water firebox


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

497  DF  FRONTS {2}
499  DF  .~ Mouths {1}
500.~.~ Water firebox


DEFINITION

Classification: 122/500

(under subclass 499) Subject matter relating to a water firebox.