US PATENT SUBCLASS 71 / 903
SOIL CONDITIONER


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

Internet Version by PATENTEC © 1999      Terms of Use



71 /   HD   CHEMISTRY: FERTILIZERS

903SOIL CONDITIONER


DEFINITION

Classification: 71/903

SOIL CONDITIONER:

Art collection involving material having values which treat the soil other than providing nutriments for plants.

SEE OR SEARCH CLASS

405, Hydraulic and Earth Engineering,

263, for chemical earth treatment or control.