Method for making artificial kidney
Patent 4211597 Issued on July 8, 1980. Estimated Expiration Date: 
July 8, 1997. 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 8, 1997. 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 3228876 3422008 Apparatus for extracorporeal treatment of blood Fluid fractionation apparatus and method of manufacturing the same Patent #: 4038190 InventorsAssigneeApplicationNo. 05/805601 filed on 06/10/1977US Classes:156/245, In configured mold156/250, With cutting, punching, tearing or severing156/296, Strands, rods, tubes or sticklike bodies to each other only210/321.8, All cylindrical membranes are parallel264/255, Sequential formation of portion on same mold or a preform surface264/259, Shaping material and uniting to a preform428/16FaunaExaminersPrimary: Spear, Frank A. Jr.Attorney, Agent or FirmInternational ClassesA61M 1/16 (20060101)B01D 63/02 (20060101) AbstractAn improved semi-continuous method for making one-piece, integral hollow fiber artificial kidneys and other apparatus of the hollow fiber separatory type.Field of SearchFluid pressure responsive | |
