US PATENT SUBCLASS 73 / 597
.~.~.~ Velocity or propagation time measurement

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

570  DF  VIBRATION {10}
584  DF  .~ By mechanical waves {13}
596  DF  .~.~ Beamed {10}
597.~.~.~ Velocity or propagation time measurement {1}
598  DF  .~.~.~.~> For flaw or discontinuity detection

DEFINITION

Classification: 73/597

Velocity or propagation time measurement:

(under subclass 596) Subject matter wherein velocity or propagation or transit time of sonic waves in the test body is measured to determine a physical characteristic such as density, Young's modulus, shear modulus, stress, microstructure, etc.