US PATENT SUBCLASS 367 / 35
.~.~ Borehole or casing condition

Current as of: June, 1999
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367 /   HD   COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES

14  DF  SEISMIC PROSPECTING {4}
25  DF  .~ Well logging {6}
35.~.~ Borehole or casing condition

DEFINITION

Classification: 367/35

Borehole or casting condition:

(under subclass 25) Subject matter wherein the information or intelligence pertains to the passageway itself or to the lining of the passageway.

SEE OR SEARCH CLASS

73, Measuring and Testing,

152.01+, for a borehole testing, per se, wherein the test is not a purely electrical test or a purely magnetic test, especially subclass 152.57 for a process or an apparatus for testing a borehole casing condition wherein the test is not purely electrical or purely magnetic.