73183609
Aug 28, 1978
Feb 17, 1981
Ceramic Foam Material for Use as a Filter Medium and Alumina for Use in the Manufacture of Aluminum
ChemicalsMetal Foil, Metal Foil Containers, Metal Foil Laminated to Paper and Paperboard, Metal Extrusions, Metal Conduit, Metal Tread Plate, Aluminum Wire, Aluminum Strip, Aluminum Shapes, Aluminum Rod and Bar, Aluminum Tube, Aluminum Ingot, Aluminum Slab, Sheet and Plate, Aluminum Castings and Billets, Aluminum-Plastic Composites, Coated Aluminum, Air Cargo Containers, Windows, Building Walls and Parts Thereof, Guard Rails, Floating Covers or Surfaces for Use in Liquid Storage Tanks for the Prevention of Evaporation of Liquids Therein, Screw Machine Stock, Metal Ladders, Door Closers, Door Hardware
Metal GoodsMovable Walls or Partitions, Sliding Doors, Storefronts, Revolving Doors, Entrances and Framing for Buildings and Windows, Doors and Window Units, Curtainwalls, Thermal Barrier Framing for Buildings and Windows
Nonmetallic Building Materials