U.S. federal trademark · Serial No. 72308264 · Reg. No. 0900008
LEACHING FIELD CHAMBERS CONSISTING OF UNITARY MODULES HAVING INTERLOCKING ROOF PORTIONS SUPPORTED BY PEDESTALS FOR PLACEMENT ON THE SUB-SURFACE BED OF A LEACHING FIELD TO FORM A CLOSED ROOF OVER SAID FIELD AND THEREBY PROMOTE LATERAL AND LONGITUDINAL FLUID FLOW OVER THE SURFACE OF THE FIELD
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