Smokable article
Patent 5135009 Issued on August 4, 1992. Estimated Expiration Date: 
March 9, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 9, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3683936 Tar-free smoking devices Patent #: 4474191 InventorsAssigneeApplicationNo. 490891 filed on 03/09/1990US Classes:131/194, Heat exchanging and/or insulating131/196, Spaced inner bowl131/335, By adding constituent to smoke stream131/360, Cigar or cigarette131/361, End structure131/363, Filler penetrating131/364Blank or fillerExaminersPrimary: Millin, V.Attorney, Agent or FirmForeign Patent References
International ClassesA24D 001/00A24D 001/02 A24D 001/18 Foreign Application Priority Data1989-03-13 DEAbstractThe present invention relates to a smokable article which is intended to permit the smoker to avoid the condensates usually present in the smoke while retaining the taste experience familiar from conventional cigarettes; this is achieved in that a sheet-like carrier element coated with an aroma-carrying material and having a low thermal capacity is brought into direct thermal contact with a heat source comprising a hollow cylindrical combustion element having at least one passage therethrough wherein said passage is separate and distinct from the hollow portion; in the pauses between draws a cavity serves as collecting container or reservoir for the aromatic substances developed which can be inhaled in the next draw by the smoker. | |
