US PATENT SUBCLASS 73 / 64.48
.~ Surface tension

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

53.01  DF  LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID {15}
64.48.~ Surface tension {3}
64.49  DF  .~.~> By force or torque
64.51  DF  .~.~> By pressure
64.52  DF  .~.~> Liquid droplet

DEFINITION

Classification: 73/64.48

Surface tension:

(under subclass 53.01) Subject matter wherein the determination is made by measuring the contractile strength of the elastic skin effect at the surface of a body of liquid.