(Based on Use in Commerce) Manually operated metal valves; shutter valves composed of metal; liquid pipe valves of metal
Metal Goods(Based on Use in Commerce) Butterfly valves being parts of machines; valves as machine components; valves being parts of machines operated pneumatically and by air
Machinery(Based on Use in Commerce) Automatic valves; automated valves for manufacturing machines; control valves for regulating the flow of gases and liquids
Electrical and Scientific Apparatus(Based on Use in Commerce) Manually operated plumbing valves; plumbing fittings, namely, valves
Environmental Control Apparatus(Based on Intent to Use) Valves of plastic being other than machine parts
Furniture and Articles not Otherwise Classified