Document B5nJb8oy9QnNEnOn67jNL2eaL

NEG. NO. Y-21 TRADEMARK FILE INFORMATION Trademark: Trademark Owner: Last Assignee: Date of First Use in Commerce: Registration No : Date Trademark Registered: Size of Label in Trademark File: Hard-Top Mexico Refractories Company Kaiser Aluminum & Chemical Corp. June 6, 1958 690,074 December 22, 1959 N/A Receipt of Pictured Label by Patent Office: N/A