US PATENT SUBCLASS 73 / 114
.~.~ Miles per gallon

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

112  DF  POWER PLANT OR UNIT EFFICIENCY {2}
113  DF  .~ Automobile fuel consumption {1}
114.~.~ Miles per gallon

DEFINITION

Classification: 73/114

(under subclass 113) Subject matter for indicating at any given instant or for an immediately elapsed period or distance the rate of fuel consumption per mile.

SEE OR SEARCH CLASS

235, Registers,

61+, for "miles per gallon" calculators, where the characteristics of the devices which respond to engine or vehicle operation or to fuel feed are not claimed, though they may be included by name or type as operators of the calculator.