.~ With indicating, testing, measuring or locating {21}
250.14
.~.~ Of cementing or plugging technique
DEFINITION
Classification: 166/250.14
Of cementing or plugging technique:
(under subclass 250.01) Measuring including the step(s) of determining the quality or ingredients of (a) pipe to formation or pipe to pipe sealing or adhering strength or (b) pipe stopper strength.