US PATENT SUBCLASS 210 / 662-- .~.~ And liquid testing or volume measuring

US PATENT SUBCLASS 210 / 662
.~.~ And liquid testing or volume measuring

Current as of: June, 1999
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210 /	HD	LIQUID PURIFICATION OR SEPARATION

600	DF	PROCESSES {14}
660	DF	.~ Ion exchange or selective sorption {8}
662		.~.~ And liquid testing or volume measuring

DEFINITION

Classification: 210/662

And liquid testing or volume measuring:

(under subclass 660) Process including testing a liquid to determine its chemical composition or measuring its volume.

SEE OR SEARCH THIS CLASS, SUBCLASS:

88+, for meter controlled cyclic separatory systems.

96+, for constituent mixture variation responsive separatory apparatus.

98+, for fluid current controlled cyclic separatory systems.

SEE OR SEARCH CLASS

73, Measuring and Testing,

194+, for volume or rate-of-flow meters. 436, Chemistry: Analytical and Immunological Testing,

1+, for chemical analytical methods.