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Class Information
Number: 52/591.4
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 > Rabbet on two perpendicular faces or edge and face (e.g., ship lap) for key
Description: Integral key on angularly related edge wherein the unit has a groove cut into two exposed intersecting portions that creates a projection which corresponds to a similar groove in an adjacent unit.










Sub-classes under this class:

Class Number Class Name Patents
52/591.5 With additional locking feature (e.g., fastener) 56


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8539733 Insulation panel for a building system and a method and apparatus for producing such insulation panel Sep. 24, 2013
8402709 Flooring panel or wall panel and use thereof Mar. 26, 2013
8276342 Flooring panel or wall panel and use thereof Oct. 2, 2012
8268110 Method and apparatus for floor planks Sep. 18, 2012
8250824 Floor member Aug. 28, 2012
8191324 Modular pre-cast composite flooring panel and floor system Jun. 5, 2012
8171691 Floor member with cork substrate May. 8, 2012
8161690 Interlocking portable rollout attic flooring with overlapping planks Apr. 24, 2012
8146319 Modular flooring assemblies Apr. 3, 2012
8141313 Interlocking roofing panel system Mar. 27, 2012
8118345 Flooring system for use with flatbed trailers Feb. 21, 2012
8091289 Floor for a modular enclosure Jan. 10, 2012
8056295 Floor covering, floor panel and method for manufacturing floor panels Nov. 15, 2011
8046969 Roofing panel assembly Nov. 1, 2011
7913464 Device for assembling laminated glass panes Mar. 29, 2011
7856784 Flooring panel or wall panel and use thereof Dec. 28, 2010
7849655 Connecting system for surface coverings Dec. 14, 2010
7748176 Flooring systems Jul. 6, 2010
7716889 Flooring systems and methods for installation May. 18, 2010
7685790 Floor member Mar. 30, 2010
7676995 Interlocking tile Mar. 16, 2010
7581357 Plastic expandable utility shed Sep. 1, 2009
7497058 Flooring panel or wall panel and use thereof Mar. 3, 2009
7487622 Interlocking frame system for floor and wall structures Feb. 10, 2009
7458191 Floor tile Dec. 2, 2008
7340865 Interlocking tile Mar. 11, 2008
7322159 Floor plank Jan. 29, 2008
7270497 Paving element Sep. 18, 2007
7216461 System and method for forming surfaces using tiled components and product resulting therefrom May. 15, 2007
7197855 Paving system for floor tiles Apr. 3, 2007
7155865 Prefabricated housing structure Jan. 2, 2007
7155871 Floor plank Jan. 2, 2007
7127860 Flooring and method for laying and manufacturing the same Oct. 31, 2006
7047697 Modular decking planks May. 23, 2006
7028434 Spillage control safety floor matting Apr. 18, 2006
6857243 Wallboard edge and method for use Feb. 22, 2005
6854228 Prefabricated sealed composite insulating panel and method of utilizing same to insulate a building Feb. 15, 2005
6820386 Hard tile with locking projections and cutouts Nov. 23, 2004
6817153 Cornerboard assembly Nov. 16, 2004
6769218 Floorboard and locking system therefor Aug. 3, 2004
6718709 Snap panel display unit Apr. 13, 2004
6684592 Interlocking floor panels Feb. 3, 2004
6619002 Deck structure Sep. 16, 2003
6578334 Building board and manufacturing method thereof Jun. 17, 2003
6578324 Spillage control safety floor matting Jun. 17, 2003
6530189 Aesthetic, self-aligning shingle for hip, ridge, or rake portion of a roof Mar. 11, 2003
6526715 External wall construction Mar. 4, 2003
6526712 Extruded composite interlocking corner assembly Mar. 4, 2003
6421970 Flooring panel or wall panel and use thereof Jul. 23, 2002
6418683 Flooring panel or wall panel and use thereof Jul. 16, 2002

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