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Class Information
Number: 5/246
Name: Beds > Bedsteads > Having bottom > Of springs
Description: Devices comprising bed bottoms in which the supporting surface consists of the upper parts of springs or these parts and connections between them.










Sub-classes under this class:

Class Number Class Name Patents
5/254 Elements 11
5/247 Nonspiral springs only 150
5/248 Spiral springs only 51


Patents under this class:

Patent Number Title Of Patent Date Issued
8256043 Support element for a cushion cover for seating and lying areas Sep. 4, 2012
7930777 Bedding foundation having nestable stackable components Apr. 26, 2011
7908693 Coil-in coil springs and innersprings Mar. 22, 2011
7805780 Bedding foundation having nestable stackable components Oct. 5, 2010
6651276 Floating slat frame for a mattress foundation Nov. 25, 2003
6601249 Spring pre-assembly for a mattress foundation unit Aug. 5, 2003
6588035 Mattress support system Jul. 8, 2003
6233760 Box spring with padded cover May. 22, 2001
6108834 Unitary body bedding foundation Aug. 29, 2000
5940908 Reinforced bedding foundations Aug. 24, 1999
5459892 Triple beam frame Oct. 24, 1995
5332202 Pneumatic member and related attachment elements for cushions, seats, foundations and the like Jul. 26, 1994
5052064 Stackable bedding foundation Oct. 1, 1991
4965898 Innovative structure of cushion Oct. 30, 1990
4956884 Modular box spring mattress Sep. 18, 1990
4910817 Joint structure for fabric web having high modulus of elasticity Mar. 27, 1990
4895352 Mattress or cushion spring array Jan. 23, 1990
4872227 Stiffening module for a mattress box spring and a box spring incorporating same Oct. 10, 1989
4867424 Box spring with wire columns and partial coils Sep. 19, 1989
4760616 Bedding foundation having sinuous wire springs Aug. 2, 1988
4698863 Combined bed frame and bed spring assembly Oct. 13, 1987
4662011 Spring mattress May. 5, 1987
4639957 Bedding and seating product having double twist coil spring and method and apparatus for manufacturing the same Feb. 3, 1987
4597118 Combined bed frame and box spring assembly Jul. 1, 1986
4548390 Spring unit Oct. 22, 1985
4234983 Thermally welded spring pockets Nov. 25, 1980
4100631 Box-spring assembly Jul. 18, 1978
3999234 Body support Dec. 28, 1976
3971081 Box spring unit with metal slats Jul. 27, 1976
3967331 Springless bed spring Jul. 6, 1976











 
 
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