Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Anthony J. Khouri0
Date of Patent
December 6, 2011
Patent Application Number
10568305
Date Filed
August 15, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
A concrete mixing drum includes a wall having a first section (41) and a second section (43). The first section (41) extends in a spiral along an axial centerline (31) of the drum. The second section (43) extends in a spiral along the axial centerline (31) of the drum adjacent to the first section (41).
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