US PATENT SUBCLASS 210 / 488
.~.~ Abutted or superimposed members

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

348  DF  FILTER {25}
483  DF  .~ Supported, shaped or superimposed formed mediums {11}
488.~.~ Abutted or superimposed members {2}
489  DF  .~.~.~> For series flow {1}
492  DF  .~.~.~> Alternating dissimilar

DEFINITION

Classification: 210/488

(under subclass 483) Apparatus comprising separable members which abut on their surfaces of greatest dimension or which are aranged in superposed relation.