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Class Information
Number: 5/260
Name: Beds > Bedsteads > Having bottom > Of springs > Elements > Margin rims and connections
Description: Devices comprising rods or strips bounding the spring assemblage at the top and special means of connecting the adjacent spring units to it.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8438678 Bedding foundation having corner guards and multiple piece border May. 14, 2013
8332974 Bedding foundation having border wire with generally rectangular cross-section Dec. 18, 2012
8327475 Bedding foundation having nestably stackable spring assembly welded to border wire with generally rectangular cross-section Dec. 11, 2012
7930777 Bedding foundation having nestable stackable components Apr. 26, 2011
7805780 Bedding foundation having nestable stackable components Oct. 5, 2010
7398567 Steelwire-hook mode web sheet Jul. 15, 2008
7287291 Mattress with improved edge support Oct. 30, 2007
7181796 Mattress structure with an improved lumbar zone Feb. 27, 2007
6996866 Mattress structure with an improved lumbar zone Feb. 14, 2006
6578213 Stackable bedding foundation Jun. 17, 2003
6202238 Bedding or seating product with edge support Mar. 20, 2001
6012190 Foldable bed with collapsible sinuous springs Jan. 11, 2000
5927696 Spring elements and articles of manufacture incorporating the same Jul. 27, 1999
5636396 Inner spring border firmness adjuster Jun. 10, 1997
5561877 Double structure spring mattress Oct. 8, 1996
5485639 Modular innerspring and box spring assemblies Jan. 23, 1996
5471688 Modular innerspring and box spring assemblies Dec. 5, 1995
5363522 Spring assembly and perimeter support spring therefor Nov. 15, 1994
5265291 Box spring corner support Nov. 30, 1993
5253851 Device to obtain a supplementary springing effect in supporting frames provided with elastic belts Oct. 19, 1993
5142716 Foundation unit with snap-fit modular springs Sep. 1, 1992
5074534 Seat with spring supporting frame Dec. 24, 1991
5062172 Bedding mattress spring assembly having border edge support Nov. 5, 1991
4942636 Spring bedding product Jul. 24, 1990
4932535 Formed wire spring element for box spring assemblies Jun. 12, 1990
4828233 Bent wire spring module with lock May. 9, 1989
4809958 Foundation unit having spring wire elements Mar. 7, 1989
4805883 Box spring assembly with a grid structure formed of both basic and spring wire Feb. 21, 1989
4760616 Bedding foundation having sinuous wire springs Aug. 2, 1988
4721290 Bent wire spring unit Jan. 26, 1988
4619445 Spring unit Oct. 28, 1986
4586700 Modular seat spring assembly May. 6, 1986
4480823 Innerspring assembly for furniture seats and backs Nov. 6, 1984
4472849 Bedspring assembly with novel border wire and method of forming the latter Sep. 25, 1984
4348014 Torsion bar spring auxiliary panel for bedding unit Sep. 7, 1982
4326311 Self-releasing locking unit for an inner spring assembly Apr. 27, 1982
4218790 Box spring assembly with improved stiffness characteristics Aug. 26, 1980
4207634 Box spring assembly with end rail spring mounting units Jun. 17, 1980
4173047 Tubular border frame for inner spring assemblies Nov. 6, 1979
4162063 Adjustable springs for trampolines and the like Jul. 24, 1979
4147336 Seat frame for a vehicle Apr. 3, 1979
4129908 Foundation unit with cushioned cross rails Dec. 19, 1978
4122566 Foundation unit having a posturized inner border Oct. 31, 1978
4114867 Coil spring assembly Sep. 19, 1978
4114210 Spring assembly with reinforcement Sep. 19, 1978
4114211 Corner stiffener Sep. 19, 1978
4101992 Spring assembly with reinforcement Jul. 25, 1978
4068329 Modular box spring assembly Jan. 17, 1978
4067076 Upholstered body Jan. 10, 1978
4060862 Box spring assembly having serpentine right angle bend springs therein Dec. 6, 1977

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