US PATENT SUBCLASS 73 / 861.75
.~.~.~ With rotation about a fixed axis

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

861  DF  VOLUME OR RATE OF FLOW {23}
861.71  DF  .~ By measuring thrust or drag forces {3}
861.74  DF  .~.~ On a vane {1}
861.75.~.~.~ With rotation about a fixed axis {1}
861.76  DF  .~.~.~.~> Spring biased

DEFINITION

Classification: 73/861.75

With rotation about a fixed axis:

(under subclass 861.74) Subject matter wherein the vane is mounted for rotation about a fixed axis and the angular displacement is a measure of the forces imparted.