US PATENT SUBCLASS 280 / 830
TANK OR BOILER

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

830TANK OR BOILER {9}
7  DF  .~> With tank leveling device
831  DF  .~> Tank forms load support
832  DF  .~> Insulated tank walls
833  DF  .~> Saddle type; vehicle frame straddling
834  DF  .~> Service tank {1}
836  DF  .~> Ground engaging or rolling wheel type
837  DF  .~> Semitrailer tank vehicle
838  DF  .~> Tank truck
839  DF  .~> Trailer tank vehicle

DEFINITION

Classification: 280/830

TANK OR BOILER:

(under the class definition) Vehicles where the frame is specially adapted to carry a boiler or tank.

SEE OR SEARCH CLASS

137, Fluid Handling,

255+, for flow control between tanks and subclasses 899+ for fluid handling in vehicles.

180, Motor Vehicles,

36+, for a motor vehicle of the steam traction engine type; subclass 69.4 for a tank for a vehicle where the motor is positively recited; subclasses 303+ for a motor vehicle, generally, having means to generate steam and a motor for utilizing the steam to propel the vehicle; and subclass 310 for a motor vehicle of the kind described for subclass 303, but wherein the vehicle's motor is not claimed; also, see subclass 225 for a motor vehicle having a wheel arrangement comprising two wheels in tandem relationship and wherein an element of the vehicle's frame, or a fender of the vehicle, constitutes also either an exhaust passageway or a fuel reservoir.

220, Receptacles,

18, for tanks with no particular vehicle structure claimed. 410, Freight Accommodation on Freight Carrier,

68, for a land vehicle freight carrier for transporting containers of fluid or bulk material.