Disposable, one-piece filter unit
Patent 4357240 Issued on November 2, 1982. Estimated Expiration Date: 
February 27, 2001. 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.
February 27, 2001. 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 3295686 Chamber holder for immobilized immunoadsorbent Patent #: 4180383 InventorsAssigneeApplicationNo. 06/238818 filed on 02/27/1981US Classes:210/455, Receptacle and modified spacing surface or support for filter medium210/466, Receptacle spout210/472, Vented422/101, Including means for separating a constituent; e.g., filter, condenser, extractor, etc.422/102ContainerExaminersPrimary: Cintins, IvarsAttorney, Agent or FirmInternational ClassesB01D 36/00 (20060101)B01D 29/05 (20060101) B01D 29/01 (20060101) AbstractA disposable filtration unit wherein the body of the unit is a unitary, one-piece molded structure having an internal flange for dividing the unit into an upper and lower chambers, the flange also providing means for supporting the filter medium. | |
