US PATENT SUBCLASS 416 / 219 A
.~.~ Non-turbo machine

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}
219 R  DF  .~ Blade received in well or slot {2}
219 A.~.~ Non-turbo machine

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 416/219

(under subclass 204) Apparatus wherein the mounting is provided with recesses or grooves which securely receive a blade portion.