US PATENT SUBCLASS 440 / 12.53
.~.~.~ Water propulsion means is moveable

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

12.5  DF  SELF-PROPELLED VEHICLE HAVING LAND AND WATER PROPULSION MEANS (E.G., AMPHIBIOUS VEHICLE) {5}
12.51  DF  .~ Having separated propulsion means for land and water {4}
12.52  DF  .~.~ Propulsion means moveable to stowed position {1}
12.53.~.~.~ Water propulsion means is moveable {1}
12.54  DF  .~.~.~.~> And land propulsion means is moveable

DEFINITION

Classification: 440/12.53

Water propulsion means is movable:

(under subclass 12.52) Subject matter wherein the means for moving the vehicle through the water is shiftable to a storage position from an in use position.

SEE OR SEARCH CLASS

440, Marine Propulsion,

53+, for means for effecting or facilitating movement of a screw propulsion unit or a segment of the propulsion unit, and 91, for means to reposition a paddle wheel assembly.