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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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