US PATENT SUBCLASS 73 / 865.5
PARTICLE SIZE
Current as of: June, 1999
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DEFINITION
Classification: 73/865.5
PARTICLE SIZE:
(under the class definition) Subject matter for measuring diameter of small pieces of material such as found in powder of granular of other finely divided material. The determination may be of the average, or the proportion of the total of each of a plurality of sizes distributed through a range.
SEE OR SEARCH THIS CLASS, SUBCLASS:
61, for determining the solid material contained in a liquid.
61.4, for measuring the setting or filtering ability of a liquid.
SEE OR SEARCH CLASS
324, Electricity: Measuring and Testing,
71.4, for counting particles in a liquid using electrical means.
