US PATENT SUBCLASS 60 / 648
.~.~ Including production of withdrawable product or steam for external use

Current as of: June, 1999
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60 /   HD   POWER PLANTS

643  DF  MOTIVE FLUID ENERGIZED BY EXTERNALLY APPLIED HEAT {11}
645  DF  .~ Process of power production or system operation {9}
648.~.~ Including production of withdrawable product or steam for external use

DEFINITION

Classification: 60/648

(under subclass 645) Process, including a step of withdrawing steam or other product for delivery out of the plant to external use or preparing it for such use.