US PATENT SUBCLASS 416 / 245 R
.~ Spinner or fairwater cap

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

244 R  DF  SUPPORT MOUNTING, CARRIER OR FAIRING STRUCTURE {4}
245 R.~ Spinner or fairwater cap {1}
245 A  DF  .~.~> Water or marine propellers

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 416/245

(under subclass 244) Apparatus comprising a conical member coaxially mounted on the impeller shaft or hub proximate the blading such that the apex of said conical member comprises either the upstream or downstream terminus of the impeller.

SEE OR SEARCH THIS CLASS, SUBCLASS:

93+, for hub, fairing or housing structure (which may be for aircraft) including means whereby ambient fluid or exhaust gas is caused to flow therethrough.