vacuum cleaners; hoses for vacuum cleaners; brushes for vacuum cleaners; dust filters and bags for vacuum cleaners

vinyl polymers being in the nature of polyvinyl alcohols and partially esterified polyvinyl alcohols, for generalized use in the industrial arts

VINYL POLYMERS BEING IN THE NATURE OF POLYVINYL ALCOHOLS AND PARTIALLY ESTERIFIED POLYVINYL ALCOHOLS, FOR GENERALIZED USE IN THE INDUSTRIAL ARTS