Power-operated smoking device
Patent 4193411 Issued on March 18, 1980. Estimated Expiration Date: 
June 13, 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.
June 13, 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 402681 1336233 2996066 3363633 3834402 Back-flow retarding feed plate for rotary combine Patent #: 3994304 InventorsAssigneeApplicationNo. 05/805961 filed on 06/13/1977US Classes:131/330, Device used for smoking131/224Tobacco supportsExaminersPrimary: Pellegrino, Stephen C.Attorney, Agent or FirmInternational ClassA24F 1/00 (20060101)AbstractA power-operated smoking device comprising a housing having a bowl adapted to receive a cup therein, wherein the tobacco to be smoked is placed in the removable cup. Positioned adjacent the bowl and communicating therewith is an air chamber through which air is drawn from the bowl portion by a fan mechanism, the smoke then being forced through the outlet stem of the pipe. The housing also includes a lower body section arranged to receive the fan motor and a power supply unit, the outlet stem being arranged to support an extended mouthpiece whereby a person directly receives the smoke therefrom. | |
