发明名称 |
VENTILATED SMOKING ARTICLE |
摘要 |
A smoking article 10 comprises a source of smokable material 11, a filter 12, a first layer 13 surrounding at least a part of the filter 12, a second layer 14 surrounding at least a part of the first layer 13 and one or more paths 15 for ventilating air flow between the first and second layers 13, 14. A part of the first layer 13 surrounds the source of smokable material 11 and is for attaching the filter 12 thereto. |
申请公布号 |
CA2840801(C) |
申请公布日期 |
2016.06.07 |
申请号 |
CA20122840801 |
申请日期 |
2012.07.17 |
申请人 |
BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED |
发明人 |
KALJURA, KARL;RICHARDSON, JOHN;BLICK, KEVIN |
分类号 |
A24D3/04;A24D1/02 |
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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