US PATENT SUBCLASS 73 / 863.21
.~ With constituent separation
Current as of:
June, 1999
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73 /
HD
MEASURING AND TESTING
863
DF
SAMPLER, SAMPLE HANDLING, ETC.
{11}
863.21
.~ With constituent separation {2}
863.22
DF
.~.~
> Particle impact
863.23
DF
.~.~
> Sieve, filter, or semipermeable membrane {2}
DEFINITION
Classification: 73/863.21
With constituent separation:
(under subclass 863) Subject matter including isolation of individual components of the source or sample.
(1) Note. The isolating means can, in itself, be a capture element or merely be a means to further refine the source or sample.
SEE OR SEARCH CLASS
23, Chemistry: Physical Processes,
232, for a process of gas sampling involving the use of sorbents or chemical treatment.
96, Gas Separation: Apparatus, for gas separation apparatus, per se, and
413, for gas separation apparatus with sampling means. 422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,
83+, for an apparatus for gas sampling involving use of sorbents or chemical treatment.
