Filed May 13, 2026

Serial No. 79453825

Examining Attorney null

Class Assays samples for analytical, research and scientific use; bentonite; chemical additives for drilling muds; chemical additives for use in drilling; additives, chemical, to drilling muds; chemical additives to drilling muds; chemicals for use in the drilling of wells; chemicals for use in the gas industry; drilling fluids [chemicals]; fluid loss additives; chemical additives for drilling fluids; chemical additives for oil well drilling fluids; fluids for drilling [chemicals]; fluids for rock drilling [chemicals]; foaming agents; industrial salts; polysaccharides; potassium chloride; salt for industrial purposes; sodium; barium sulfate; sulfates; water soluble polymers for industrial use; water treatment chemicals; chemical products used in oil and gas industry; chemical products for use in the oil industry; chemicals for use in the oil industry; polymers for use in the drilling and oil industries; 001; 005; 006; 010; 026; 046; 001; 006; 015; 013; 019; 021; 023; 024; 031; 034; 035; 021; 023; 026; 036; 038; 100; 101; 102; 100; 103; 106; 100; 101; 104; 100; 101

Case Type Trademark Service mark