US PATENT SUBCLASS 440 / 78
.~.~ Propeller shaft housing


Current as of: June, 1999
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440 /   HD   MARINE PROPULSION

49  DF  SCREW PROPELLER {12}
76  DF  .~ Propulsion unit casing {2}
78.~.~ Propeller shaft housing


DEFINITION

Classification: 440/78

Propeller shaft housing:

(under subclass 76) Device wherein the sealed enclosure covers and contains the propeller shaft.