US PATENT SUBCLASS 210 / 461
.~.~.~ Spaced wall-type element

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

348  DF  FILTER {25}
459  DF  .~ Pipe or plate attached type {1}
460  DF  .~.~ Attached to open end of pipe {3}
461.~.~.~ Spaced wall-type element

DEFINITION

Classification: 210/461

(under subclass 460) Apparatus in which the filter element encloses a space except for a single inlet or outlet, other than those in the filter medium, the filtering medium having walls which are spaced from each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

224+, particularly subclass 231 for a sectional chamber press type filter.

346+, for plural units of the spaced wall type.

486+, for spaced wall type elements.