US PATENT SUBCLASS 210 / 387
.~.~ Unrollable

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


210 /   HD   LIQUID PURIFICATION OR SEPARATION

348  DF  FILTER {25}
359  DF  .~ Movable medium {12}
387.~.~ Unrollable

DEFINITION

Classification: 210/387

(under subclass 359) Apparatus unrollable from a spool or equivalent source so as to present successive areas for the filtering operation.