Smoking device
Patent 4219032 Issued on August 26, 1980. Estimated Expiration Date: 
November 30, 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.
November 30, 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 2104266 2815030 Inventors
ApplicationNo. 05/855923 filed on 11/30/1977US Classes:131/329, TOBACCO USERS' APPLIANCE131/173, Smoke washing type131/330Device used for smokingExaminersPrimary: Pellegrino, Stephen C.Attorney, Agent or FirmInternational ClassesA24F 1/00 (20060101)A24F 1/30 (20060101) A24F 47/00 (20060101) AbstractA smoking device for extracting at least one smoke component from a smokeable substance comprises a bowl defining a space for receiving the smokeable substance, the bowl having a pair of spaced holes therein; and a container defining a chamber for receiving a heat source, the chamber communicating with the space through one of the holes in the bowl whereby the smoke component may be extracted by drawing through the other hole in the bowl. A method for extracting a smoke component from a smokeable substance is also disclosed. | |
