73408403
Jan 6, 1983
Sep 18, 1984
Refractory Material and Refractory Articles for Use in Kilns and Industrial Use-Namely, Saggars, in the Nature of Boxes for Protecting Ceramic Materials, Closed Plate Saggars, Bottom Plate Saggars, U-Saggars, H-Saggars; Cranks in the Nature of Supporting Shapes for Supporting Ceramic Articles, Floor Tile U-Cranks, Open Plate Cranks; Closet Setters Being Support Platforms for Products Made of Porcelain; Locking Devices Begin Ceramic Plates Designed to Join Batts and Supports Together; Beams; All of the Foregoing Made of Ceramics and Parts Thereof
Nonmetallic Building Materials