US PATENT SUBCLASS 210 / 498
.~.~ Perforated or grooved plates

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}
483  DF  .~ Supported, shaped or superimposed formed mediums {11}
498.~.~ Perforated or grooved plates

DEFINITION

Classification: 210/498

(under subclass 483) Apparatus comprising a perforated plate or a plate having grooves in its surface to form liquid flow passages.

SEE OR SEARCH CLASS

209, Classifying, Separating, and Assorting Solids,

397+, for perforated sheet sifter elements.