US PATENT SUBCLASS 122 / 386
.~.~.~.~ Pan

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}
386.~.~.~.~ Pan

DEFINITION

Classification: 122/386

(under subclass 383) Devices having a sediment pan or receptacle at the bottom of the boiler and provided with a blow-off conduit communicating with the pan.

SEE OR SEARCH THIS CLASS, SUBCLASS:

393, 394, for pans without blow-off conduits.