US PATENT SUBCLASS 210 / 901
SPECIFIED LAND FILL FEATURE (E.G., PREVENTION OF GROUND WATER FOULING)

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

901SPECIFIED LAND FILL FEATURE (E.G., PREVENTION OF GROUND WATER FOULING)

DEFINITION

Classification: 210/901

SPECIFIED LAND FILL FEATURE (E.G., PREVENTION OF GROUND WATER FOULING):

Collection of disclosures directed to details of disposal of waste liquid treatment residue upon or into the earth.

SEE OR SEARCH CLASS

405, Hydraulic and Earth Engineering, especially

128+, for earthworking.