Sealing cap assembly for aircraft lavatory drain port
Patent 4098427 Issued on July 4, 1978. Estimated Expiration Date: 
July 4, 1995. 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.
July 4, 1995. 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 1978314 3302816 InventorApplicationNo. 05/778614 filed on 03/17/1977US Classes:220/259.2, Plural pivotable closures137/800, WITH CLOSURE138/89WITH CLOSURES AND PLUGSExaminersPrimary: Hall, George T.Attorney, Agent or FirmInternational ClassesB64D 11/00 (20060101)B64D 11/02 (20060101) AbstractA sealing cap assembly for aircraft lavatory drain ports includes first and second pivotal doors secured to the port in spaced sealing relationship.Field of SearchFlow path with serial valves and/or closures | |
