US PATENT SUBCLASS 210 / 496
.~.~ Bound, fused or matted, e.g., porous shapes, sponges, etc.

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}
496.~.~ Bound, fused or matted, e.g., porous shapes, sponges, etc.

DEFINITION

Classification: 210/496

(under subclass 483) Apparatus in which the medium is composed of particles or fibers bound together into a single integral unit, by fusing, an adhesive or the intertwining of fibers.