Battery powered nicotine vaporizer
Patent 5564442 Issued on October 15, 1996. Estimated Expiration Date: 
November 22, 2015. 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.
November 22, 2015. 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 3863648 Smoking appliance Smoking device Smoking device Drug delivery article Electrical smoking article Electrical smoking system for delivering flavors and method for making same Electrical smoking article having continuous tobacco flavor web and flavor cassette therefor Patent #: 5479948 InventorsAssigneeApplicationNo. 561704 filed on 11/22/1995US Classes:131/194Heat exchanging and/or insulatingExaminersPrimary: Grieb, William H.Attorney, Agent or FirmInternational ClassA24F 047/00AbstractA nicotine vaporizer is provided with a housing with a battery compartment size for a pair of AA dry cells and a compartment for containing tobacco, a lower portion of which has a hole for passing tobacco into a firebox cavity arranged there below and shiftable from a tobacco receiving to a tobacco burning position. Electric coil means are set in the firebox cavity and energized to bring the tobacco to combustion temperature. A mouth piece equipped suction tube extends into the housing so that as air is withdrawn through the suction tube with the coil energized the tobacco will combust as to the microcharge contained in the firebox cavity. The microcharge of tobacco is of such volume that no more smoke is created than can be processed by the lungs in one breath.Field of SearchHeat exchanging and/or insulating | |
