US PATENT SUBCLASS 122 / 384
.~.~.~.~ Ejector

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

379  DF  CLEANING {9}
*  DD  .~ Blow off {3}
382  DF  .~.~ Bottom {1}
383  DF  .~.~.~ Internal conduit {5}
384.~.~.~.~ Ejector

DEFINITION

Classification: 122/384

(under subclass 383) Devices having one or more conduits extending along the bottom of the boiler, provided with a steam ejector.