Lid catch for superpressurized containers
Patent 4159063 Issued on June 26, 1979. Estimated Expiration Date: 
August 1, 1998. 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.
August 1, 1998. 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 1858013 2102962 2793787 3780904 InventorsAssigneeApplicationNo. 05/930025 filed on 08/01/1978US Classes:220/316, With internal pressure-condition release220/256.1, Superposed closures for common opening220/323Elongated members (e.g., leaf spring, radiating arms) acting between face of closure and opposed abutments or walls of the containerExaminersPrimary: Price, WilliamAssistant: Pollard, Steven M. Attorney, Agent or FirmInternational ClassesA47J 27/08 (20060101)F16J 13/24 (20060101) F16J 13/00 (20060101) F16J 13/08 (20060101) A47J 27/092 (20060101) Foreign Application Priority Data1977-08-10 CHAbstractA lid catch on a container driven with superpressure is disclosed. A prestressed spring catch bolt is held in an engaged position due to the pressure exerted on an inner lid of the container which is transmitted by a counterpoise to the bolt. Therefore, releasing of the lid when the container is pressurized is impossible. | |
