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Priority to NL6502444ApriorityCriticalpatent/NL6502444A/xx
Publication of NL6502444ApublicationCriticalpatent/NL6502444A/xx
A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
A24D3/04—Tobacco smoke filters characterised by their shape or structure
A24D3/045—Tobacco smoke filters characterised by their shape or structure with smoke acceleration means, e.g. impact-filters