US PATENT SUBCLASS 416 / 86
.~ Buoyant hub or rim

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


416 /   HD   FLUID REACTION SURFACES (I.E., IMPELLERS)

85  DF  FLOAT SUPPORTED {1}
86.~ Buoyant hub or rim

DEFINITION

Classification: 416/86

(under subclass 85) Apparatus wherein the buoyant support means comprises a hub or peripheral annulus to which the impeller working members are directly attached.

SEE OR SEARCH CLASS

440, Marine Propulsion,

98+, for a marine vessel having a buoyant propelling device.