Resources Contact Us Home
Browse by Category: Main > Household
Class Information
Number: 5/31
Name: Beds > Sofa bed > Unfolding seat > With rising inner section
Description: Devices in which there is a section below the seat section forming the inner part of the bed, which is raised to bed position by unfolding the seat section.

Sub-classes under this class:

Class Number Class Name Patents
5/32.1 Pivoted hinge plate 1

Patents under this class:

Patent Number Title Of Patent Date Issued
8438676 Seating unit convertible to bed May. 14, 2013
7900298 Refund saving account manager Mar. 8, 2011
6718570 Convertible couch bed Apr. 13, 2004
5904401 Recliner chair May. 18, 1999
5860702 Fold-down seat for a motor vehicle Jan. 19, 1999
5788329 Fold-down seat for a motor vehicle Aug. 4, 1998
5075909 Anti-tilt sofa sleeper mechanism Dec. 31, 1991
4590630 Tri-fold mechanism May. 27, 1986
4301559 Sofa bed mechanism Nov. 24, 1981

  Recently Added Patents
Network traffic demotion
Reusing data in user run book automation
Treatment devices with deliver-activated inflatable members, and associated systems and methods for treating the spinal cord and other tissues
Process for making thermoplastic polymer pellets
Antenna device and wireless communication apparatus
Electronic device and recording medium
Systems and methods for providing television signals using a network interface device
  Randomly Featured Patents
Air supplying device, and method of air supply
Automated detection of pornographic images
Fiber structure with improved bend resistance
Animal-actuated watering valve
Manufacturing method of apparatus for generating electrical energy
Low power drive circuit
Bright video line select display
Water-soluble salts of 2-difluoromethyl-2,5-diaminopentanoic acid (DFMO)
Fence insert