17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal.
((hard or soft rubber, solid lined or covered equipment for chemical process industrial uses-namely, baths, bibb cocks, bushings, candle filters, caps, check valves, cocks, cones, couplings, crosses, dippers, drains, elbows, faucets, float balls, float valves, foot valves, funnels, gate valves, hose cocks, hose couplings, ladles, laterals, lock nuts, pet cocks, pipe, plugs, sieves, sinks, spinneret lock nuts, stop cocks, straightway cocks, siphons, t's, three-way cocks,)) trays, ((unions))