Resources Contact Us Home
Browse by Category: Main > Household
Class Information
Number: 5/271
Name: Beds > Bedsteads > Having bottom > Of springs > Elements > Top connections > Extended coils
Description: Devices formed by interlacing the top coils of adjacent springs or by giving the top coil an extension which engages a coil of an adjacent spring.

Patents under this class:

Patent Number Title Of Patent Date Issued
7578016 One-sided innerspring assembly Aug. 25, 2009
5584083 Mattress spring core Dec. 17, 1996
5184809 Spring assembly for seating and bedding Feb. 9, 1993
4790038 Bedding spring assembly Dec. 13, 1988
4609186 Mattress spring core with open ended coils Sep. 2, 1986
4358097 Spring assembly Nov. 9, 1982

  Recently Added Patents
Card reader device
Antibodies to CCR2
Methods and apparatus for imaging in conjunction with radiotherapy
Aromatic amine derivative, organic electroluminescent element employing the same, and process for producing aromatic amine derivative
Tropoelastin derivatives
Fire detector
  Randomly Featured Patents
Secure DHCP processing for layer two access networks
Socket drive
Long-reach ethernet system and relay
Portion of an audio and docking station for handheld electronic device
Buried type semiconductor laser device
Method and apparatus for effecting dynamic braking of a direct current motor
Bendable currency security dye pack
Positive resists containing dimethylglutarimide units
Apparatus and method for refurbishing a ceiling grid to permit installation of ceiling panels