US PATENT SUBCLASS 280 / 836
.~ Ground engaging or rolling wheel type

Current as of: June, 1999
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280 /   HD   LAND VEHICLES

830  DF  TANK OR BOILER {9}
836.~ Ground engaging or rolling wheel type

DEFINITION

Classification: 280/836

Ground engaging or rolling wheel type:

(under subclass 830) Vehicles wherein the tank or boiler itself forms a ground contacting means which aids in the movement of the vehicle.