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Class Information
Number: 52/592.4
Name: Static structures (e.g., buildings) > Module or panel having discrete edgewise or face-to-face connecting feature > Having integral key > Keys, mortises, or key and mortise on opposed edges or faces > Having mortise with internal space
Description: Integral key on opposed edges wherein the indentation is designed to accommodate both the projection and, e.g., an internal settable material such as grout.










Sub-classes under this class:

Class Number Class Name Patents
52/592.5 And provided for stacking 46


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8495849 Floor covering and locking systems Jul. 30, 2013
8490361 Multipurpose protective ground cover Jul. 23, 2013
8387327 Mechanical locking system for floor panels Mar. 5, 2013
8341916 Process for sealing of a joint Jan. 1, 2013
8316606 Fastening system for panels and trim Nov. 27, 2012
8117795 Floor boards having interlocking tongue and groove connection with pre-applied adhesive layer Feb. 21, 2012
8079196 Mechanical locking system for panels Dec. 20, 2011
8071193 Floor panel Dec. 6, 2011
8065851 Self-spacing wood composite panels Nov. 29, 2011
7989044 Process for sealing of a joint Aug. 2, 2011
7913473 Method for placing and mechanically connecting panels Mar. 29, 2011
7866110 Mechanical locking system for panels and method of installing same Jan. 11, 2011
7861483 Floor panel with the tongue more elastic than the locking element Jan. 4, 2011
7827754 Floor panels with edge connectors Nov. 9, 2010
7810297 Floor panels with edge connectors Oct. 12, 2010
7802409 System of concrete structures having panel and column portions with rigid member and end of panel portion of one structure received in slot of column portion of adjacent structure Sep. 28, 2010
7721505 Lava and cement building block system May. 25, 2010
7721504 Floor panel having tongue and groove coupling edges May. 25, 2010
7631470 Heliport and civil engineering/building material Dec. 15, 2009
7632561 Laminate floor covering panel having wood pattern Dec. 15, 2009
7624552 Floor covering Dec. 1, 2009
7603826 Panels with coupling means Oct. 20, 2009
7517427 Process for sealing of a joint Apr. 14, 2009
7506481 Building board for use in subfloors Mar. 24, 2009
7398622 Connector systems for building materials Jul. 15, 2008
7377079 Flexibly connected panel elements May. 27, 2008
7337588 Panel with slip-on profile Mar. 4, 2008
7251919 Lightweight building component Aug. 7, 2007
7150135 Device for assembling longitudinal edges of panels, laths or wainscots, with force distribution Dec. 19, 2006
7093399 Floor covering Aug. 22, 2006
6993877 Floor panels with edge connectors Feb. 7, 2006
6968663 Floor covering Nov. 29, 2005
6936332 Extruded frame member for use in friction stir welding Aug. 30, 2005
6931803 Modular building system Aug. 23, 2005
6918215 Free floating sub-floor panel Jul. 19, 2005
6898913 Locking system for mechanical joining of floorboards and method for production thereof May. 31, 2005
6865856 Plastic floorings using concave portions and convex portions Mar. 15, 2005
6804926 Method for laying and interlocking panels Oct. 19, 2004
6769219 Panel elements Aug. 3, 2004
6711865 Interlocking blocks Mar. 30, 2004
6682254 Guiding means at a joint Jan. 27, 2004
6675544 Composite wood panels having tongue and groove edges Jan. 13, 2004
6672030 Method for laying floor panels Jan. 6, 2004
6647689 Panel, particularly a flooring panel Nov. 18, 2003
6640515 Frame member used in friction stir welding Nov. 4, 2003
6584747 Floor tile Jul. 1, 2003
6526719 Mechanical panel connection Mar. 4, 2003
6510665 Locking system for mechanical joining of floorboards and method for production thereof Jan. 28, 2003
6505452 Panel and fastening system for panels Jan. 14, 2003
6497079 Mechanical panel connection Dec. 24, 2002

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