发明名称 Adjustable filter cigarette with tactile indicator
摘要 An adjustable filter cigarette is provided with detents for tactile indication of the degree of adjustment. The detents include a protuberance on the surface of the filter mating with cutouts in the tipping paper, or a protuberance on the inside of the tipping paper mating with depressions on the surface of the filter.
申请公布号 US4699158(A) 申请公布日期 1987.10.13
申请号 US19860853143 申请日期 1986.04.17
申请人 PHILIP MORRIS INCORPORATED 发明人 SPRINKEL, JR., FRANCIS M.
分类号 A24D3/04;(IPC1-7):A24D3/04 主分类号 A24D3/04
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