US PATENT SUBCLASS 73 / 61.65
.~.~.~ Sedimentation rate


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



73 /   HD   MEASURING AND TESTING

53.01  DF  LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID {15}
61.41  DF  .~ Content or effect of a constituent of a liquid mixture {8}
61.63  DF  .~.~ Settling or filtering ability {2}
61.65.~.~.~ Sedimentation rate {4}
61.66  DF  .~.~.~.~> With means for accelerating solids (e.g., particles)
61.67  DF  .~.~.~.~> By pressure measurement
61.68  DF  .~.~.~.~> Including detail of fluid handling means, sampling, sample handling, or sample preparation
61.69  DF  .~.~.~.~> By optical measurement


DEFINITION

Classification: 73/61.65

Sedimentation rate:

(under subclass 61.63) Subject matter wherein the determination is made by measuring the rate at which the sediment settles to the bottom of the liquid.