US PATENT SUBCLASS 73 / 778
.~.~.~ Vibratory element

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

760  DF  SPECIMEN STRESS OR STRAIN, OR TESTING BY STRESS OR STRAIN APPLICATION {12}
763  DF  .~ Specified electrical sensor or system {6}
774  DF  .~.~ Specified sensor structure {5}
778.~.~.~ Vibratory element

DEFINITION

Classification: 73/778

Vibratory element:

(under subclass 774) Subject matter wherein the frequency of vibration of a sensing element stressed by the specimen provides the desired indication.