US PATENT SUBCLASS 95 / 287
.~.~ In series

Current as of: June, 1999
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95 /   HD   GAS SEPARATION: PROCESSES

273  DF  FILTERING {7}
286  DF  .~ Plural separate media {1}
287.~.~ In series

DEFINITION

Classification: 95/287

In series:

(under subclass 286) Process in which the filters are placed one after the other in succession.

SEE OR SEARCH CLASS

55, Gas Separation,

485, for three or more serially spaced filters.