US PATENT SUBCLASS 440 / 12.55
.~.~ Operator powered drive for propulsion means

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}
12.55.~.~ Operator powered drive for propulsion means

DEFINITION

Classification: 440/12.55

Operator powered drive for propulsion means:

(under subclass 12.51) Subject matter wherein the motive force for the means for moving the vehicle under its own power is derived from the physical effort exerted by an

occupant of the vehicle and is transmitted to the moving means by some intermediate means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

21+, for operator powered propelling means for a marine vehicle.

SEE OR SEARCH CLASS

280, Land Vehicles, appropriate subclasses for operator powered propelling means for a land vehicle.