US PATENT SUBCLASS 73 / 49.1
.~.~ Pipe

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

37  DF  WITH FLUID PRESSURE {8}
40  DF  .~ Leakage {8}
49.1.~.~ Pipe

DEFINITION

Classification: 73/49.1

(under subclass 40) Subject matter for testing for leakage of a pipe section.

SEE OR SEARCH THIS CLASS, SUBCLASS:

46, for similar testing of a separable joint.

49.5+, for strength testing of pipe.