Patent References 2171986 3145717 3240214 3312226 3477865 3545448 3684809 InventorsAssigneeApplicationNo. 471148 filed on 05/17/1974US Classes:131/275, Naturally occurring or synthetic duplicate131/359Tobacco substitute, i.e., nontobaccoExaminersPrimary: Michell, Robert W.Assistant: Millin, V. Attorney, Agent or FirmForeign Application Priority Data1970-03-23 UKAbstractTobacco substitute based smoking mixture including protein as an ingredient to give the smoke from the mixture of flavor resembling that of tobacco. | |