Bacteria filter unit
Patent 4148732 Issued on April 10, 1979. Estimated Expiration Date: 
July 13, 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.
July 13, 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 2784781 3844895 Nebulizer bacteria filter Filter and method of forming same Patent #: 3954625 InventorsApplicationNo. 05/924194 filed on 07/13/1978US Classes:210/232, WITH REPAIR OR ASSEMBLING MEANS210/445, Clamped in casing joint210/446, Axially aligned inlet and outlet55/502, Gasket or sealing means55/503, Media within joinable or separable flow line sections55/506, Flange or track on flow line for slidably retaining media55/509Distorted media in flow line or resilient retaining meansExaminersPrimary: Sever, FrankAttorney, Agent or FirmInternational ClassA61M 16/10 (20060101)AbstractA bacterial filter unit for use in anesthesia applications and respiratory procedures, which bacterial filter unit comprises a two-piece molded housing, each piece being of a generally frusto-conical shape and having an interlocking edge for joining the two housing pieces together in a sealing locking engagement, for retention of a filter media formed of fiberglas or other material between the two housing portions, and for sealing the filter media, each housing portion further having a tubular opening at the peak of the frusto-conical portion for connecting the filter unit in the necessary conduit in the anesthesia or respiratory application apparatus for filtering the bacteria passing through the lines. | |
