US PATENT SUBCLASS 180 / 7.1
SPECIAL DRIVING DEVICE


Current as of: June, 1999
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180 /   HD   MOTOR VEHICLES

7.1SPECIAL DRIVING DEVICE {6}
7.2  DF  .~> Spiral type element
7.3  DF  .~> Reaction jet propulsion
7.4  DF  .~> Propeller type
7.5  DF  .~> Vehicle mounted winch for pulling vehicle
8.1  DF  .~> Stepper {5}
9  DF  .~> Portable track {2}


DEFINITION

Classification: 180/7.1

SPECIAL DRIVING DEVICE:

(under the class definition) Motor-vehicles driven in some other way than by the mere rotation of road-wheels as traction-wheels.

SEE OR SEARCH THIS CLASS, SUBCLASS:

116, for surface effect vehicles.

164, for a motor vehicle having powered means for creating a fluid force to attract the vehicle to the surface upon which it travels.

186+, for a motor vehicle which includes a ski-like or runner member and wherein the vehicle is provided with at least one surface-engaging propulsion element.

SEE OR SEARCH CLASS

104, Railways,

235, for vehicles propelling the vehicle along a fixed cable. 242, Winding, Tensioning, or Guiding,

390.7, for a reeling device driven by a vehicle motor, 392 for a spool mounted on a vehicle wheel, and 391+ for a traction driven spool in a reeling device.

280, Land Vehicles,

8+, for a general utility land vehicle including both wheel and runner ground engaging elements; subclass 28.5 for a general utility land vehicle including wheel substitutes; or subclasses 845+ for a general utility land vehicle including runner ground engaging elements. In each instance identified above, the vehicle being claimed is a nonmotor vehicle or identified only as a nonmotor vehicle in the specific disclosure.

305, Wheel Substitutes for Land Vehicles, appropriate subclasses, for wheel substitutes, per se. See the class definition of Class 180 for the line between Class 180 and Class 305.