发明授权
- 专利标题： Puff control cigarette
- 专利标题（中）： 吹气控制香烟
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申请号： US825563申请日： 1986-02-03
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公开(公告)号： US4638820A公开(公告)日： 1987-01-27
- 发明人: Donald L. Roberts , Anthony L. Angel , Douglas C. Clark , Jack F. Clearman , T. Stephen Sink
- 申请人： Donald L. Roberts , Anthony L. Angel , Douglas C. Clark , Jack F. Clearman , T. Stephen Sink
- 申请人地址： NC Winston-Salem
- 专利权人： R. J. Reynolds Tobacco Company
- 当前专利权人： R. J. Reynolds Tobacco Company
- 当前专利权人地址： NC Winston-Salem
- 主分类号： A24F13/06
- IPC分类号： A24F13/06 ; A24D3/04
摘要：
A smoking article which delivers to a smoker during each puff a flowstream having a higher concentration of smoke during the first portion of the puff and a lower concentration of smoke during the remainder of the puff.
公开/授权文献
- US5969302A Lift control mechanism and method 公开/授权日：1999-10-19
信息查询
