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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
7600354 Panels comprising interlocking snap-in profiles Oct. 13, 2009
7571572 Modular floor tile system with sliding lock Aug. 11, 2009
7571573 Modular floor tile with lower cross rib Aug. 11, 2009
7516588 Floor covering and locking systems Apr. 14, 2009
7497058 Flooring panel or wall panel and use thereof Mar. 3, 2009
7441384 Pre-glued tongue and groove flooring Oct. 28, 2008
7442949 Portable nuclear radioactive fallout shelter and preservation of potable water storage system Oct. 28, 2008
7407218 Trailer external smooth side assembled with structural modules Aug. 5, 2008
7343717 Floor panel having tongue and groove coupling edges Mar. 18, 2008
7251916 Panels comprising an interlocking snap-in profile Aug. 7, 2007
7225591 Flexible two-ply flooring system Jun. 5, 2007
7222465 Building board May. 29, 2007
7171791 Floorboards and methods for production and installation thereof Feb. 6, 2007
7155865 Prefabricated housing structure Jan. 2, 2007
7152379 Two-ply flooring having a cross-grain bottom ply Dec. 26, 2006
7150133 Ventilated plastic blocks with film laminate Dec. 19, 2006
7134249 Ceiling panel Nov. 14, 2006
7121058 Building panels Oct. 17, 2006
7096636 Modular building block system Aug. 29, 2006
7086205 System for joining building panels Aug. 8, 2006
7003924 Parquet board Feb. 28, 2006
6988341 Ventilated interlocking translucent blocks Jan. 24, 2006
6968664 Floor covering Nov. 29, 2005
6968663 Floor covering Nov. 29, 2005
6962028 Interlocking masonry articles and methods thereof Nov. 8, 2005
6954975 Mat Ramp Securement Oct. 18, 2005
6918221 Polymeric deck panels, deck assemblies, decks and methods for forming the same Jul. 19, 2005
6862857 Structural panels and method of connecting same Mar. 8, 2005
6854235 Flooring material, comprising board shaped floor elements which are intended to be joined vertically Feb. 15, 2005
6851241 Floorboards and methods for production and installation thereof Feb. 8, 2005
6772568 Floor covering Aug. 10, 2004
6769218 Floorboard and locking system therefor Aug. 3, 2004
6766622 Floor panel for floor covering and method for making the floor panel Jul. 27, 2004
6751912 Modular tile and tile flooring system Jun. 22, 2004
6745532 Process for the articulated imbrication of concrete slabs .cent.i(in situ) Jun. 8, 2004
6701678 Modular storage enclosure Mar. 9, 2004
6684592 Interlocking floor panels Feb. 3, 2004
6672030 Method for laying floor panels Jan. 6, 2004
6647690 Flooring material, comprising board shaped floor elements which are intended to be joined vertically Nov. 18, 2003
6601359 Flooring panel or wall panel Aug. 5, 2003
6588166 Flooring panel or wall panel and use thereof Jul. 8, 2003
6588167 Reversible dual-color floor pad module Jul. 8, 2003
6581351 Flooring Jun. 24, 2003
6571525 Construction block Jun. 3, 2003
6553733 Glass block with internal capsule Apr. 29, 2003
6546687 Waterproofing method by using plastic panels Apr. 15, 2003
6547487 Wave dissipating blocks for constructing a seawall Apr. 15, 2003
6523317 Wall block with interlock Feb. 25, 2003
6508041 Interlocking concrete block Jan. 21, 2003
6493996 Modular building construction system Dec. 17, 2002

1 2 3 4










 
 
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