US PATENT SUBCLASS 210 / 505
.~.~.~ Including fibers

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

348  DF  FILTER {25}
500.1  DF  .~ Material {6}
503  DF  .~.~ Diverse granular or fibrous {2}
505.~.~.~ Including fibers

DEFINITION

Classification: 210/505

(under subclass 503) Compositions in which at least one component is fibrous.

SEE OR SEARCH CLASS

428, Stock Material or Miscellaneous Articles,

292.1+, for a fiber-containing web or sheet subclasses 375+ for a mass or layer of structurally defined or coated fibers or filaments.