US PATENT SUBCLASS 123 / 525
.~ Combined liquid and gaseous fuel

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
525.~ Combined liquid and gaseous fuel {1}
526  DF  .~.~> Diesel engine convertible from liquid to gas

DEFINITION

Classification: 123/525

Combined liquid and gaseous fuel:

(under subclass 434) Subject matter having means by which the charge-forming device may produce a mixture of air, gaseous fuel, and liquid fuel, or may be switched to operate with either gaseous or liquid fuel.