US PATENT SUBCLASS 73 / 152.52
.~.~ Plural diverse measurements

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

152.01  DF  BOREHOLE OR DRILLING (E.G., DRILL LOADING FACTOR, DRILLING RATE, RATE OF FLUID FLOW) {6}
152.51  DF  .~ Pressure measurement {2}
152.52.~.~ Plural diverse measurements

DEFINITION

Classification: 73/152.52

Plural diverse measurements:

(under subclass 152.51) Subject matter including a process or an apparatus for determining a characteristic of a borehole, a casing, or a drill rigging by measuring a property other than a pressure.