Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 26, 2013
Patent Application Number
11822687
Date Filed
July 9, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
Floorboards for making a floating floor have a core (30) which comprises at least two layers of material (L1, L2), which are arranged at different distances from the surface layer (31), and which differ in respect of material properties or material composition. Semi manufactures for making such floorboards are also disclosed.
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