US PATENT SUBCLASS 367 / 75
.~.~ Shear wave

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}
75.~.~ Shear wave

DEFINITION

Classification: 367/75

Shear wave:

(under subclass 37) Subject matter wherein the acoustic waves consist of stresses in a direction or plane perpendicular to the direction of travel.