U.S. federal trademark · Serial No. 77930952 · Reg. No. 4436758
Hydraulic cement compositions, namely, blended cements and other cement mixes that contain Portland cement and one or more pozzolans, such as a man-made pozzolan such as fly ash, slag, fumed silica or metakaolin, or a natural pozzolan such as volcanic ash, trass or diatomaceous earth, the foregoing for use in ready mix concrete
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