Description: Class 6: Drain traps made of metal
Class 11: Sanitary apparatus and installations in the nature of showers, shower stalls, and, shower enclosures, shower panels, and shower curbs; floor drains made of metal; non-metallic floor drains.
Class 17: Sealing and insulating materials, namely, non-metal seals for use in the building and construction industry; non-metal sealing rings for use as connection rings; waterproof packings for use in building foundations; adhesive sealants for use in the construction industry; joint sealants; moldable joint compound for waterproofing joints; semi-finished products, namely, synthetic plastic made of polymeric materials, not of metal, in the form of mats, sheet, and block for use in construction
Class 19: Non-metallic construction materials, namely, floor drain bases, grates, and solid plate coverings; non-metallic building materials, namely, rigid pipes, shower curbs, building panels for floors and walls, and building panels for shower compartments; waterproof membranes for use as a floor and wall underlayment; waterproof seam tape for building
