US PATENT SUBCLASS 210 / 457
.~ With central pervious tubular receiver
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}
457
.~ With central pervious tubular receiver {1}
458
DF
.~.~
> Plural concentric receivers
DEFINITION
Classification: 210/457
(under subclass 348) Apparatus in which there is a pervious member centrally located within a filter medium.
SEE OR SEARCH THIS CLASS, SUBCLASS:
437+, for a filter with a central liquid receiver, which filter is within a flow line or closed casing.
459+, for a filter attached to and extending beyond the end of a fluid conducting tube.