US PATENT SUBCLASS 181 / 110
.~.~ Underwater

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


181 /   HD   ACOUSTICS

101  DF  GEOPHYSICAL OR SUBSURFACE EXPLORATION {5}
108  DF  .~ Seismic source and detector {4}
110.~.~ Underwater

DEFINITION

Classification: 181/110

(under subclass 108) Subject matter wherein the means for transmitting or receiving seismic waves is in wave coupling relationship with a body of water.