US PATENT SUBCLASS 210 / 318
.~.~.~ Incompatible shapes

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

294  DF  DIVERSE DISTINCT SEPARATORS {3}
295  DF  .~ Including a filter {5}
314  DF  .~.~ Spaced filters {4}
318.~.~.~ Incompatible shapes

DEFINITION

Classification: 210/318

(under subclass 314) Apparatus in which the separate filters are of such shapes that they cannot be nested or superimposed.