US PATENT SUBCLASS 440 / 12.66
.~ Wheel-type 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}
12.66.~ Wheel-type propulsion means {4}
12.67  DF  .~.~> Drum type
12.68  DF  .~.~> Having integral spoke and propelling blade means
12.69  DF  .~.~> Having propelling blade extending from side of wheel
12.7  DF  .~.~> Having peripherally mounted cleat means

DEFINITION

Classification: 440/12.66

Wheel-type propulsion means:

(under subclass 12.5) Subject matter wherein the means for

moving the vehicle under its own power includes (a) either a solid disk, or a rigid circular rim connected by a plurality of rods to a hub, (b) the solid disk or rim designed to turn around an axle passed through the center of the disk or rim, and (c) the disk or rim directly contacts the land or the body of water.

SEE OR SEARCH THIS CLASS, SUBCLASS:

90+, for a paddle wheel, per se.

SEE OR SEARCH CLASS

180, Motor Vehicles, appropriate subclasses for a motor propelled, wheeled, land vehicle, per se, and

7.1+, for a special driving device therefor.

301, Land Vehicles, Wheels, and Axles, appropriate subclasses for land vehicle wheels, per se.