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Class Information
Number: 5/38
Name: Beds > Sofa bed > Reverting back > Leg supported
Description: Devices in which the back is supported by a leg, usually link connected.

Patents under this class:

Patent Number Title Of Patent Date Issued
8656527 Multifunctional furniture Feb. 25, 2014
8011034 Foldable sofa-bed with folding-assist and extension-assist mechanisms Sep. 6, 2011
6742200 Bed sofa Jun. 1, 2004
6738998 Futon frame that assembles by means of sockets May. 25, 2004
6668395 Roll-in futon bed Dec. 30, 2003
6286159 Sofa bed structure Sep. 11, 2001
5722101 Multi-framed convertible article of furniture Mar. 3, 1998
5519902 Convertible furniture frame with self-positioning and locking legs May. 28, 1996
5513398 Futon tilt mechanism May. 7, 1996
5429415 Convertible furniture frame with automatically-operated support legs Jul. 4, 1995
5327591 Three frame convertible futon sofa bed Jul. 12, 1994
5315722 Piece of furniture convertible from a seat into a bed May. 31, 1994
5201083 Seating type article of furniture convertible into a bed Apr. 13, 1993
4660235 Convertible seat-bed with improved actuator for third panel Apr. 28, 1987
4651363 Articles of furniture and components thereof Mar. 24, 1987
4487451 Sleeper seat Dec. 11, 1984
4365369 Three cushion convertible seat-bed Dec. 28, 1982
4343508 Latch mechanism for vehicle seat convertible to bed Aug. 10, 1982
4221428 Convertible chair and bed Sep. 9, 1980
3972562 Collapsible furniture Aug. 3, 1976
3972080 Sofa bed Aug. 3, 1976

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