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Class Information
Number: 52/591.1
Name: Static structures (e.g., buildings) > Module or panel having discrete edgewise or face-to-face connecting feature > Having integral key > Key on angularly related edges or faces
Description: Integral key wherein one unit has at least two projections that are located on two surfaces which share a common juncture plus the unit engage indentations on an adjacent unit.










Sub-classes under this class:

Class Number Class Name Patents
52/591.3 Key designed for four direction lock 50
52/591.2 Multiple, finite keys (e.g, perpendicular sawtooth) 57
52/591.4 Rabbet on two perpendicular faces or edge and face (e.g., ship lap) for key 83


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8677714 Mechanical locking system for panels and method of installing same Mar. 25, 2014
8627631 Floor covering Jan. 14, 2014
8615953 Panel, more particularly floor panel Dec. 31, 2013
8615963 Log wall connector system Dec. 31, 2013
8549807 Floor panel and methods for manufacturing floor panels Oct. 8, 2013
8528290 Flooring article Sep. 10, 2013
8516767 Joint for panels Aug. 27, 2013
8495848 Laminate floor panels Jul. 30, 2013
8490360 Laminate floor panels Jul. 23, 2013
8490361 Multipurpose protective ground cover Jul. 23, 2013
8474210 Decorative room surface formed of interlocking decorative panels Jul. 2, 2013
8464489 Laminate floor panels Jun. 18, 2013
8448392 Modular floor tile May. 28, 2013
8438814 Floor covering May. 14, 2013
8424257 Modular tile with controlled deflection Apr. 23, 2013
8407951 Modular synthetic floor tile configured for enhanced performance Apr. 2, 2013
8402709 Flooring panel or wall panel and use thereof Mar. 26, 2013
8397466 Tile with multiple-level surface Mar. 19, 2013
8387327 Mechanical locking system for floor panels Mar. 5, 2013
8375672 Floor panel provided with a core made of a derived timber product, a decorative layer and locking sections Feb. 19, 2013
8371080 Log wall connector system Feb. 12, 2013
8281549 Floor panel, flooring system and method for laying flooring system Oct. 9, 2012
8276342 Flooring panel or wall panel and use thereof Oct. 2, 2012
8191326 Decorative room panel Jun. 5, 2012
8191328 Hardwood flooring with sliding locking mechanism Jun. 5, 2012
8166722 Modular floor tile system with transition edge May. 1, 2012
8141325 Composite panel assembly Mar. 27, 2012
8104244 Floorboards, flooring systems and method for manufacturing and installation thereof Jan. 31, 2012
8079196 Mechanical locking system for panels Dec. 20, 2011
8069630 System and method for interlocking support blocks Dec. 6, 2011
8061104 Mechanical locking system for floor panels Nov. 22, 2011
8006443 Interlocking modular floor tile Aug. 30, 2011
8001741 Covering panel Aug. 23, 2011
7997041 System method for interlocking support blocks Aug. 16, 2011
7997044 Enclosure and method for making an enclosure Aug. 16, 2011
7918057 Modular floor tile system with sliding lock Apr. 5, 2011
7866110 Mechanical locking system for panels and method of installing same Jan. 11, 2011
7856784 Flooring panel or wall panel and use thereof Dec. 28, 2010
7849642 Tile with wide coupling configuration and method for the same Dec. 14, 2010
7818939 Snap lock joint Oct. 26, 2010
7810297 Floor panels with edge connectors Oct. 12, 2010
7739849 Floorboards, flooring systems and methods for manufacturing and installation thereof Jun. 22, 2010
7716896 Floorboards, flooring systems and method for manufacturing and installation thereof May. 18, 2010
7690160 Modular floor tile system with transition edge Apr. 6, 2010
7690719 Articulating interlocking structural extrusions for recreational vehicles and the like Apr. 6, 2010
7665263 Hardwood flooring system Feb. 23, 2010
7654055 Glueless panel locking system Feb. 2, 2010
7634876 Modular floor locator apparatus Dec. 22, 2009
7624546 Modular floor tile system with transition edge Dec. 1, 2009
7607265 Multipurpose protective surface cover Oct. 27, 2009

1 2 3 4










 
 
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