Smoking mixture
Patent 4008723 Issued on February 22, 1977. Estimated Expiration Date: 
February 22, 1994. 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.
February 22, 1994. 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 References3545448 InventorsAssigneeApplicationNo. 557255 filed on 03/11/1975US Classes:131/359Tobacco substitute, i.e., nontobaccoExaminersPrimary: Michell, Robert W.Assistant: Millin, V. Attorney, Agent or FirmForeign Application Priority Data1970-03-23 UKAbstractTobacco substitute based smoking mixture containing a minimum amount of organic combustible material and a maximum amount of harmless inorganic filler, the composition of the filler having been selected so as to impart a commercially acceptable burning rate to the mixture. | |
