Cigarette which goes out rapidly or is self-extinguishing
Patent 4945932 Issued on August 7, 1990. Estimated Expiration Date: 
January 25, 2009. 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.
January 25, 2009. 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.InventorsAssigneeApplicationNo. 301113 filed on 01/25/1989US Classes:131/365, Wrapper or binder131/349With ash retainer or means to prevent or retard burningExaminersPrimary: Millin, V.Attorney, Agent or FirmInternational ClassA24D 001/02Foreign Application Priority Data1988-01-29 DEAbstractThere is disclosed a cigarette which extinguishes rapidly wherein the tobacco in the cigarette is surrounded by a casing of cigarette paper having areas with lesser and greater air permeability in the form of patterned annular zones. | |
