US PATENT SUBCLASS 440 / 57
.~.~ Having gimbal or universal joint support

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

49  DF  SCREW PROPELLER {12}
53  DF  .~ With means effecting or facilitating movement of propulsion unit or a segment of the propulsion unit (e.g., tilting or steering) {9}
57.~.~ Having gimbal or universal joint support

DEFINITION

Classification: 440/57

Having gimbal or universal joint support:

(under subclass 53) Device wherein the means to move or assist in the movement of the propulsion unit is a mounting upon which the propulsion unit is fastened which permits the unit to pivot or move freely along three axes of rotation.