US PATENT SUBCLASS 324 / 350
.~.~.~.~ Including magneto-telluric type

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

323  DF  OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU {7}
347  DF  .~ Using electrode arrays, circuits, structure, or supports {2}
348  DF  .~.~ For detecting naturally occurring fields, currents, or potentials {2}
349  DF  .~.~.~ Of the telluric type {1}
350.~.~.~.~ Including magneto-telluric type

DEFINITION

Classification: 324/350

Including magneto-telluric type:

(under subclass 349) Subject matter for carrying out the telluric measurements in conjunction with measurements of the earth's magnetic field.