73709174
Feb 3, 1988
Oct 16, 1990
METAL BUILDING MATERIALS, NAMELY STRUCTURAL FRAMEWORKS, FRAMES, GIRDERS, PANELS, TRUSSES, BEAMS, COLUMNS, PLATES AND FRAMEWORK CONNECTING ELEMENTS, NAMELY STRAIGHT CONNECTORS, INTERNAL AND EXTERNAL ARCH (ANGLED) CONNECTORS, TEE CONNECTORS, CROSS-JUNCTIONS, BASE PLATES, END BLANKING PLATES, SUSPENSION BOSSES, SUSPENSION BRACKETS, HANGING BRACKETS, MOUNTING BRAKETS
Metal GoodsNON-METALLIC BUILDING MATERIALS, NAMELY STRUCTURAL FRAMEWORKS, FRAMES, GIRDERS, PANELS, TRUSSES, BEAMS, COLUMNS, PLATES AND FRAMEWORK CONNECTING ELEMENTS, NAMELY STRAIGHT CONNECTORS, INTERNAL AND EXTERNAL ARCH (ANGLED) CONNECTORS, TEE CONNECTORS, CROSS-JUNCTIONS, CONNECTION CHANGE KITS, BASE PLATES, EXTENSION ADAPTERS, END BLANKING PLATES, SUSPENSION BOSSES, SUSPENSION BRACKETS, DOUBLE HANGING BRACKETS AND PANEL INTERFACE BRACKETS
Nonmetallic Building Materials