Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 20, 2010
Patent Application Number
11695300
Date Filed
April 2, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A tear-duct drain includes a hollow rigid tube which is elongated and has a first flange at one extremity thereof. A flexible, resilient and collapsible second flange is bonded to the tube at a predetermined distance away from, and so providing a leading edge at, the opposite extremity of the tube.
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