Indirect electrode-based pumps
Patent 5961800 Issued on October 5, 1999. Estimated Expiration Date: 
May 8, 2017. 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.
May 8, 2017. 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 3869365 Method for analyzing nucleic acid or protein and apparatus therefor Patent #: 5458761 InventorsAssigneeApplicationNo. 848413 filed on 05/08/1997US Classes:204/450, Electrophoresis or electro-osmosis processes and electrolyte compositions therefor when not provided for elsewhere204/451, Capillary electrophoresis204/600, Electrophoretic or electro-osmotic apparatus204/601Capillary electrophoresis typeExaminersPrimary: Warden, Robert J.Assistant: Noguerola, Alex Attorney, Agent or FirmInternational ClassG01N 027/26AbstractProvided is an electrode-based pump having source of a pumped fluid, a conduit channel of capillary dimensions connected via a first end to the pumped fluid source and having an outlet at a second end, a piston channel with a first end that intersects the conduit channel, wherein the piston channel allows for periodic inward and outward movement of a piston plug of liquid, two or more electrodes inserted into the piston channel which define an electrode-based pump, wherein the electrode-based pump can be operated to move the piston plug of liquid inward and outward.Other References
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