US PATENT SUBCLASS 600 / 528
.~.~.~ Detecting heart sound


Current as of: June, 1999
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600 /   HD   SURGERY

300  DF  DIAGNOSTIC TESTING {38}
481  DF  .~ Cardiovascular {6}
508  DF  .~.~ Heart {4}
528.~.~.~ Detecting heart sound


DEFINITION

Classification: 600/528

Detecting heart sound:

(under subclass 508) Subject matter for detecting vibrations emanating from the heart.

SEE OR SEARCH CLASS

181, Acoustics,

131, for stethoscopes.

381, Electrical Audio Signal Processing Systems and Devices,

67, for electric stethoscopes.