US PATENT SUBCLASS 367 / 69
.~.~.~ Well logging type
Current as of:
June, 1999
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367 /
HD
COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES
14
DF
SEISMIC PROSPECTING
{4}
37
DF
.~ Land-reflection type {6}
68
DF
.~.~ Display systems {4}
69
.~.~.~ Well logging type
DEFINITION
Classification: 367/69
Well logging type:
(under subclass 68) Subject matter wherein the information or intelligence displayed is obtained from an acoustic wave detector which travels through a passageway in the earth.