11 Lighting apparatus, in particular table lamps, floor lamps, pendant ceiling lights, ceiling lights, hanging ceiling lights, wall lights, spotlights; lighting systems of modular design comprised of lighting installations, lampshades, lamp glasses, lamp stands, lamp arms, lamp bases, lamp housings, lamp chimneys, lamp globes, light reflectors, lamp louvres, lamp blinds, lamp diaphragms, color filters for use in lighting instruments, lamp cords, lighting tubes, lamp rods, lampshade holders, sockets for electric lights, lamp rails, lamp brackets, lamp handles, pendant light weights, lighting fixtures, and elements therefor, in particular lighting installations, lampshades, lamp glasses, lamp stands, lamp arms, lamp bases, lamp housings, lamp chimneys, lamp globes, light reflectors, lamp louvres, lamp blinds, lamp diaphragms, color filters for use in lighting instruments, lamp cords, lighting tubes, lamp rods, lampshade holders, sockets for electric lights, lamp rails, lamp brackets, lamp handles, pendant light weights, lighting fixtures, all for use in lighting instruments; accessories and replacement parts for electrical lighting installations and electric lamps, in particular lampshades, lamp glasses, lamp stands, lamp arms, lamp bases, lamp housings, lamp chimneys, lamp globes, light reflectors, lamp louvres, lamp blinds, lamp diaphragms, color filters for use in lighting instruments, lamp cords, lighting tubes, lamp rods, lampshade holders, sockets for electric lights, lamp rails, lamp brackets, lamp handles, pendant light weights, lighting fixtures