Frangible bonded disposable filtration unit with recoverable filter
Patent 4614585 Issued on September 30, 1986. Estimated Expiration Date: 
September 12, 2004. 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.
September 12, 2004. 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 1577088 1982567 3085689 3295686 Pressure differential filtering device and method Filter holding assembly Patent #: 4225440 InventorsAssigneeApplicationNo. 06/649974 filed on 09/12/1984US Classes:210/321.84, Planar membrane210/445, Clamped in casing joint210/450, Gasket within casing or spaced removable end members210/451, Internal fixed shoulder supporting filter element210/455Receptacle and modified spacing surface or support for filter mediumExaminersPrimary: Sadowski, David R.Attorney, Agent or FirmInternational ClassesB01D 36/00 (20060101)B01D 29/01 (20060101) AbstractA disposable filtration unit having a breakaway reservoir to facilitate recovery of the filter membrane. | |
