US PATENT SUBCLASS 416 / 123
.~ Divergent rotation axes

Current as of: June, 1999
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416 /   HD   FLUID REACTION SURFACES (I.E., IMPELLERS)

120  DF  PLURAL IMPELLERS HAVING RELATIVE MOVEMENT OR INDEPENDENT SUPPORTS {5}
123.~ Divergent rotation axes

DEFINITION

Classification: 416/123

(under subclass 120) Apparatus in which the impellers have a common support and rotate about axes which are angular on skew to one another.

SEE OR SEARCH CLASS

244, Aeronautics,

17.11+, and particularly subclass 17.21 for plural impellers having divergent axes and combined with significant aircraft structure.