US PATENT SUBCLASS 416 / 200 A
.~.~ Turbo machine

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

198 R  DF  MULTIPLE AXIALLY SPACED WORKING MEMBERS {4}
200 R  DF  .~ Circumferentially offset {1}
200 A.~.~ Turbo machine

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 416/200

(under subclass 198) Apparatus in which a portion on one working member is angularly offset relative to the corresponding portion on another working member spaced axially therefrom.