US PATENT SUBCLASS 440 / 52
.~ With vibration dampening

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

49  DF  SCREW PROPELLER {12}
52.~ With vibration dampening

DEFINITION

Classification: 440/52

With vibration dampening:

(under subclass 49) Device wherein means is provided to prevent transmission of shocks to the rest of the vessel or to attenuate the quivers produced by the engine, the drive shaft, etc.