US PATENT SUBCLASS 73 / 53.06
.~.~ By analyzing a characteristic of a measuring surface

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

53.01  DF  LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID {15}
53.05  DF  .~ Lubricant testing {2}
53.06.~.~ By analyzing a characteristic of a measuring surface

DEFINITION

Classification: 73/53.06

By analyzing a characteristic of a measuring surface:

(under subclass 53.05) Subject matter wherein determination is made by analyzing or observing the effect of the lubricant upon a surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

104, for surface inspection or testing, per se.