US PATENT SUBCLASS 73 / 53.03
.~ Paper or wood suspension (e.g., paper or wood pulp)

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}
53.03.~ Paper or wood suspension (e.g., paper or wood pulp) {1}
53.04  DF  .~.~> By measuring fluid flow characteristic (e.g., by volume or rate of flow or by change in fluid level)

DEFINITION

Classification: 73/53.03

Paper or wood suspension (e.g., paper or wood pulp):

(under subclass 53.01) Subject matter wherein the determination is made by measuring either the degree to which paper pulp or wood pulp relinquishes its water content or the percentage of water content relinquished.

SEE OR SEARCH THIS CLASS, SUBCLASS:

29.02+, for determining the moisture content of a gas.

73+, for determining the moisture content of solid or the absorptive characteristic of material for a liquid.

SEE OR SEARCH CLASS

162, Paper Making and Fiber Liberation,

258, for a device for regulating the ratio of liquid to fiber of pulp and subclass 263 for the combination of means for testing or permitting the examination of water in liquid laid fibrous product and a structure or mechanism for producing and/or treating water or liquid laid fibrous products.