Composite tipping structure for use on an air-ventilated cigarette and method of manufacturing same
Patent 4295478 Issued on October 20, 1981. Estimated Expiration Date: 
April 11, 1999. 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.
April 11, 1999. 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 ReferencesInventorAssigneeApplicationNo. 06/029163 filed on 04/11/1979US Classes:131/336, Air219/383, Electric arc-type devices219/384With perforating or disintegrating meansExaminersPrimary: Millin, V.Attorney, Agent or FirmInternational ClassesA24C 5/47 (20060101)A24C 5/00 (20060101) AbstractA composite structure for use on a smoking product including a non-porous tipping paper coated with a heat-activatable adhesive in a selected pattern, having areas void of adhesive and microscopic openings through the tipping paper within the void areas. The method of manufacturing the composite structure includes applying a non-conductive, heat-activatable adhesive coating on the paper web in a specific pattern having void and adhesive coated areas and forming perforations in the void areas of the paper web. | |
