Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Household
Class Information
Number: 5/267
Name: Beds > Bedsteads > Having bottom > Of springs > Elements > Top connections
Description: Devices relating to connections between the top coil of adjacent units and the rim strip, so that the top of the assemblage is made into a connected whole.










Sub-classes under this class:

Class Number Class Name Patents
5/275 Central cross strips and wires 1
5/271 Extended coils 6
5/273 Guy with extended loops 4
5/269 Helical connectors 25
5/270 Links or clips 6
5/276 Parallel cross groups 6
5/272 Top coil extended and guy 4
5/268 Twin and continuous springs 18
5/277 Two and one cross elements 2
5/274 Zigzag guy 1


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8429779 Bedding or seating product made with coil springs having unknotted end turns with bumps Apr. 30, 2013
7921561 Bedding or seating product made with coil springs having unknotted end turns with bumps Apr. 12, 2011
7386897 Bedding or seating product made with coil springs having unknotted end turns Jun. 17, 2008
7251847 Continuous wire spring mattress or seating product and method of manufacture Aug. 7, 2007
7181796 Mattress structure with an improved lumbar zone Feb. 27, 2007
6996866 Mattress structure with an improved lumbar zone Feb. 14, 2006
6338174 Spring mattress Jan. 15, 2002
6134729 High and low profile mattress foundation frames Oct. 24, 2000
6050553 Device for connecting springs to form a support surface therewith Apr. 18, 2000
5669087 Lacing wire zoned mattress Sep. 23, 1997
5570874 Furniture spring assembly with elastic webbing Nov. 5, 1996
5524305 Wire grid for foldable bed with collapsible sinuous springs Jun. 11, 1996
5518226 Spring seating support system May. 21, 1996
5438716 Box spring assembly with improved spring installation capabilities Aug. 8, 1995
5435023 Wire grid attachment member for cushions, seats, foundations and the like Jul. 25, 1995
5395097 Spring wire core made of nestably stackable half units Mar. 7, 1995
5375820 Drop-in unit, grid insert therefor and method of making same Dec. 27, 1994
5246210 Grid and spring subassembly for box springs Sep. 21, 1993
5231712 Bedding unit and springs therefor Aug. 3, 1993
5184809 Spring assembly for seating and bedding Feb. 9, 1993
5184802 Wire grid for box spring bedding assembly Feb. 9, 1993
5080329 Spring loaded locking system for box spring assemblies Jan. 14, 1992
4921228 Box spring unit with interlocking spring and grid assembly May. 1, 1990
4905333 Spring bedding product Mar. 6, 1990
4896386 Bedding foundation having snap-in place formed wire springs Jan. 30, 1990
4862532 Bedding foundation having snap-in place sinuous wire springs Sep. 5, 1989
4862531 Bedding foundation having snap-in place formed wire springs Sep. 5, 1989
4827546 Fluid mattress May. 9, 1989
4781360 Spring assembly with helical coils of spring wire with unknotted ends Nov. 1, 1988
4699362 Spring element Oct. 13, 1987
4664361 Spring unit May. 12, 1987
4654905 Body support for bed or seat Apr. 7, 1987
4619445 Spring unit Oct. 28, 1986
4476595 Mattress for use on a bed and settee Oct. 16, 1984
4472849 Bedspring assembly with novel border wire and method of forming the latter Sep. 25, 1984
4452438 Box spring assembly with improved corner springs Jun. 5, 1984
4426070 Coil spring assembly with grid and base frame Jan. 17, 1984
4348014 Torsion bar spring auxiliary panel for bedding unit Sep. 7, 1982
4339834 Box spring assembly with interlocked formed wire components and method of assembling same Jul. 20, 1982
4324011 Furniture spring assembly Apr. 13, 1982
4253208 Box spring assembly with basic wire grid Mar. 3, 1981
4244089 Method of constructing box springs or the like Jan. 13, 1981
4236262 Support grid and spring unit for a box spring foundation unit Dec. 2, 1980
4180877 Mattress Jan. 1, 1980
4173047 Tubular border frame for inner spring assemblies Nov. 6, 1979
4139919 Internal support structure for a mattress Feb. 20, 1979
4122566 Foundation unit having a posturized inner border Oct. 31, 1978
4120059 Furniture spring assembly and method for manufacture thereof Oct. 17, 1978
4114212 Bed spring unit and method Sep. 19, 1978
4112528 Box spring assembly and small diameter single cone coil spring for use in that assembly Sep. 12, 1978

1 2










 
 
  Recently Added Patents
Integrated analyses of breast and colorectal cancers
Polypeptides and immunizing compositions containing gram positive polypeptides and methods of use
Systems and methods for implementing multi-application tabs and tab sets
Gas cap removal tool
Prioritizing application data for transmission in a wireless user device
Memory interface circuit, memory interface method, and electronic device
Image quality assessment
  Randomly Featured Patents
Automatic sample delivery apparatus for use in automatic chemical analyzer
PDA with built-in voltage protection
Mobile IP over VPN communication protocol
Developing method using developing electric field having back-transfer, transfer and rest steps
Coating composition for carbon electrodes
Controlling resource allocation for backup operations
Cosmestic compositions containing a cationic polymer and an anionic polymer as thickening agent
Radio communication apparatus which includes a base station and terminals that save power as they monitor for incoming calls from the base station
Hydraulic valve spring compressor
Vibration reduction system for an outboard motor