US PATENT SUBCLASS 55 / 519
.~.~.~ Between reticulated end closures

Current as of: June, 1999
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55 /   HD   GAS SEPARATION

490  DF  WITH MEANS SECURING OR RETAINING SEPARATING MEDIA {7}
512  DF  .~ Discrete fibrous or particulate solids {4}
516  DF  .~.~ Held between openwork {3}
519.~.~.~ Between reticulated end closures

DEFINITION

Classification: 55/519

(under subclass 516) Apparatus in which the filter media is retained between at least two retainers each comprised of intersecting elongated elements arranged to form at least one opening, or interstice, bounded on all sides by said elongated elements.