US PATENT SUBCLASS 416 / 94
.~ Aircraft spinner or cowling

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

93 R  DF  AMBIENT FLUID OR EXHAUST GAS DIRECTED THROUGH HUB, FAIRING OR HOUSING {2}
94.~ Aircraft spinner or cowling

DEFINITION

Classification: 416/94

(under subclass 93) Apparatus wherein the working fluid or exhaust gas is caused to flow through an aircraft spinner or cowling.