Smoking product
Patent 4326544 Issued on April 27, 1982. Estimated Expiration Date: 
May 8, 2000. 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.
May 8, 2000. 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 ReferencesSynthetic smoking product Patent #: 4044777 InventorsAssigneeApplicationNo. 06/199721 filed on 05/08/1980US Classes:131/369, METHOD OR APPARATUS FOR MAKING TOBACCO SUBSTITUTE131/359Tobacco substitute, i.e., nontobaccoExaminersPrimary: Millin, V.Attorney, Agent or FirmInternational ClassesA24B 15/16 (20060101)A24B 15/00 (20060101) Foreign Application Priority Data1978-12-11 GBAbstractCigarettes are formed by subjecting a three dimensional needled felt web of viscose fibres to a controlled pyrolysis, loading the felt web with smoking and combustion agents, cutting the felt web into strips and wrapping individual strips in a tubular wrapper.Field of SearchMETHOD OR APPARATUS FOR MAKING TOBACCO SUBSTITUTE | |
