U.S. federal trademark · Serial No. 73347812 · Reg. No. 1239050
Natural Fiber-Namely, Pulverized Cotton Linters Having an Average Length of No More than One Inch, Treated with Chemicals-Namely, Alkali Metal Silicates, Alkali Metal Hydroxides and Alkyl Aryl Polyalkoxylated Alcohols, for Filterings and Hole Sweeping Operatings in Connection with Oil Well Drilling Operations
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.