Resources Contact Us Home
Browse by Category: Main > Household
Class Information
Number: 5/48
Name: Beds > Sofa bed > Sliding and pivoting back > Increasing seat
Description: Devices with a seat that increases by unfolding or extending to form a bed bottom in continuation of the back.

Patents under this class:

Patent Number Title Of Patent Date Issued
8468621 Adjustable furniture product with automatically-inflating mattress Jun. 25, 2013
7171706 Sofa convertible into a bed Feb. 6, 2007
7168111 Jacknife bed and couch for mobile vehicle Jan. 30, 2007
7134153 Cradle conversion system Nov. 14, 2006
6715166 Futon sofa bed Apr. 6, 2004
6349431 Convertible furniture frame Feb. 26, 2002
6138300 Futon frame Oct. 31, 2000
5682629 Divan-bed which can be converted via operating means of the continuous-balancing type and with variation of the height of the seat Nov. 4, 1997
5038423 Motorized convertible seat-bed Aug. 13, 1991
4996730 Supported sofa bed recliner Mar. 5, 1991
4756034 Motorized seat-bed Jul. 12, 1988
4654902 Convertible seat-bed Apr. 7, 1987
4512048 Van sofa bed Apr. 23, 1985
4480344 Divan-bed Nov. 6, 1984

  Recently Added Patents
Charge pump and method of biasing deep N-well in charge pump
Application authentication system and method
Method and apparatus for providing charging status information to subscriber of communication service
Method for reserving network bandwidth for versioned network services
Connector with shielding device and method for manufacturing connector
Buildable dinnerware
Modular microscope construction
  Randomly Featured Patents
Vacuum container for cryogenically cooled electron device packaging
System and method for distributing user interface device configurations
Polyanion-stabilized aluminum hydrogels
Method and device for compressing moving image
Method for producing metallic iron pellets
Software service to facilitate organizational testing of employees to determine their potential susceptibility to phishing scams
Anti-sludge medication ports and related methods
Product release control into time-sensitive processing environments
Curable composition
IP network system and its access control method, IP address distributing device, and IP address distributing method