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.
self-extendable or power extendable stored strip material made of metal, plastic, or non-metallic materials; and self-extendable or power extendable stored metal, plastic, or nonmetallic strip material deployable to form masts, antennas, booms, tubes, and containers
20
Furniture, mirrors, picture frames; goods (not included in other classes) of wood, cork, reed, cane, wicker, horn, bone, ivory, whalebone, shell, amber, mother-of-pearl, meerschaum and substitutes for all these materials, or of plastics
self-extendable or power extendable stored strip material made of metal, plastic, or non-metallic materials; and self-extendable or power extendable stored metal, plastic, or nonmetallic strip material deployable to form masts, antennas, booms, tubes, and containers