US PATENT SUBCLASS 416 / 209
.~.~ Thimble or sleeve fixed on impeller blade

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

204 R  DF  SPECIFIC WORKING MEMBER MOUNT {9}
205  DF  .~ Adjustable {3}
209.~.~ Thimble or sleeve fixed on impeller blade

DEFINITION

Classification: 416/209

(under subclass 205) Apparatus wherein an encasing jacket is secured to that blade part which is attached to the carrier.