US PATENT SUBCLASS 434 / 381
.~ Fluid filter
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
Terms of Use
434 /
HD
EDUCATION AND DEMONSTRATION
365
DF
MEANS FOR DEMONSTRATING APPARATUS, PRODUCT, OR SURFACE CONFIGURATION, OR FOR DISPLAYING EDUCATION MATERIAL OR STUDENT'S WORK
{37}
381
.~ Fluid filter
DEFINITION
Classification: 434/381
Fluid filter:
(under subclass 365) Subject matter relating to a device for
filtering impurities from a fluid.
