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US Patent 7690691 Coupler for joining plastic and concrete pipe

Patent 7690691 was granted and assigned to Advanced Drainage Systems, Inc. on April, 2010 by the United States Patent and Trademark Office.

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Current Assignee
Advanced Drainage Systems, Inc.
Advanced Drainage Systems, Inc.
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
76906910
Patent Inventor Names
John M. Kurdziel0
Date of Patent
April 6, 2010
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Patent Application Number
116511620
Date Filed
January 11, 2007
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Patent Primary Examiner
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David E Bochna
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Patent abstract

A plastic pipe coupler is provided having a plurality of sections connected to one another but with at least one gap between the ends of two sections which are adjacent to one another. Each of the coupler sections has an exterior surface and an interior surface, and is fabricated so that when taken together, the sections cooperatively circumvent a section of plastic pipe. Each bracket is secured to the exterior surface of one of the aforesaid sections of the coupler and has a base plate, a pair of sidewall plates attached to each base plate, and a crosspiece having a first end and a second end, the first end of which is in contacting relationship with one of the pair of sidewall plates, while the second end is in contacting relationship with the other of the pair of sidewall plates.

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