Noncombustion system for the utilization of tobacco and other smoking materials
Patent 4141369 Issued on February 27, 1979. Estimated Expiration Date: 
January 24, 1997. 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 24, 1997. 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 1771366 1949778 2104266 2449853 InventorApplicationNo. 05/761794 filed on 01/24/1977US Classes:131/330, Device used for smoking128/203.27ElectricExaminersPrimary: Michell, Robert W.Assistant: Millin, V. Attorney, Agent or FirmInternational ClassesA24F 1/00 (20060101)A24F 47/00 (20060101) A61M 15/00 (20060101) A61M 16/10 (20060101) AbstractAn electrical device for the noncombustion utilization of tobacco and other smoking materials. The device consists of a canister or other appropriate container within which air is electrically heated to an appropriate temperature for volatilizing the desired components of smoking material previously inserted into a receptacle provided in the mouthpiece part of this invention. Volatilization takes place when the heated air is drawn through the smoking material contained in the mouthpiece assembly. The mixture of heated air and volatilized smoking material components is then drawn from the mouthpiece into the mouth and respiratory passages of the user of the device. | |
