Patent for Sale:Private Listing: Number 3813
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Class 180: Motor Vehicles
The propulsion of land vehicles by a motor carried on the vehicle and to the following subject matter, which may be considered as incidental to such propulsion: 1. The mounting of a motor on a land vehicle. 2. Transmission mechanism in connection with specific vehicle structure. 3. Power steering-gear for land vehicles. 4. Power means for raising a frame or body relative to a wheel or wheels. 5. Devices not of general application for utilizing the power of the power plant of a land vehicle to drive other machines. 6. Controlling devices in connection with land vehicle structure. 7. Gyroscopes in connection with land vehicle structure. 8. Safety devices involving a feature limited to use on motor vehicles. 9. Motor Vehicles provided with wheel substitutes.Subclass 54.1: POWER
Subclass 69.6: Vehicle has plural power plants
Class 477: Interrelated Power Delivery Controls, Including Engine Control
This is the class for structure wherein operation of an engine either regulates or is regulated by the operation of a clutch, a gear transmission, or a brake.Subclass 2: PLURAL ENGINES
Subclass 6: With clutch control