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Class 73/443 - With calculator


Subclass of Class 73 - Measuring and testing
Definition: Devices including calculator mechanism or chart means for
No. of patents: 1
Last issue date: 03/28/1978


NumberTitleIssue Date
4080834Measurement of fuel quality and economy
A device and a process for measuring fuel quality and/or economy is provided by this invention. The specific gravity of fuel is measured by any suitable means such as a hydrometer; the temperature of fuel is measured by another means, such as, a thermomet...
03/28/1978
 
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