Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 16, 2010
Patent Application Number
11446026
Date Filed
June 2, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A flexible collapsible corrugated drain pipe has a corrugation structure that permits a tight bending radius and relatively facile collapsing and expansion of corrugations, thereby permitting convenient manipulation and installation of drain pipe and packaging, display, storage and transportation of the collapsed pipe sections.
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