US PATENT SUBCLASS 122 / 406.5
.~ With start-up operations

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

406.1  DF  CIRCULATION {7}
406.5.~ With start-up operations

DEFINITION

Classification: 122/406.5

With start up operations:

(under subclass 406.1) Devices having a specific set of initial conditions.