Resources Contact Us Home
Browse by Category: Main > Household
Class Information
Number: 5/253
Name: Beds > Bedsteads > Having bottom > Of springs > Spiral springs only > With accessory spring shock absorbers
Description: Devices comprising additional resilient members in a spring assemblage called into play in event of unusual depression, or special arrangements by which the ordinarily latent resilience of certain regions is called upon to withstand heavy shock.

Patents under this class:

Patent Number Title Of Patent Date Issued
6826791 Spring element for beds or chairs Dec. 7, 2004
6721981 Body support apparatus Apr. 20, 2004
6631526 Vehicle sleeper system with improved suspension control Oct. 14, 2003
6477727 Bearing element for upholstery support for a seat or bed system Nov. 12, 2002
5469590 Mattress with compressible support members Nov. 28, 1995
5188343 Spring system for upholstered furniture Feb. 23, 1993
5165125 Bedding system including spring having limiting membrane Nov. 24, 1992
4703527 Bedding springs and bedding units Nov. 3, 1987
4675927 Bedding units and springs therefor Jun. 30, 1987
4559654 Bedding units and components for such units Dec. 24, 1985

  Recently Added Patents
Backlight assembly, method for driving backlight assembly, and liquid crystal display having the same
Electronic system auto-mute control circuit and control method thereof
Thermosensitive recording medium
Magnetic disk and manufacturing method thereof
Systems and methods for DC-to-DC converter control
Motor and disk drive apparatus
Social network user data advertising
  Randomly Featured Patents
Portable computer with interchangeable pointing device modules
Apparatus for writing a document under two-document display condition
Cover incorporating a radio frequency identification device
Cyclical pressure testing apparatus
Modular software security
Cylindrical mounting apparatus equipped with bracket
Attaching and displaying annotations to changing data views
Ophthalmologic surgical microscope system having an OCT-measuring device
Latent electrostatic image bearing member, process cartridge, image forming apparatus, and image forming process
Reagents test strip with alignment notch