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Class Information
Number: 5/42
Name: Beds > Sofa bed > Reverting back > Unfolding seat
Description: Devices combined with some form of forward unfolding seat.

Patents under this class:

Patent Number Title Of Patent Date Issued
8468621 Adjustable furniture product with automatically-inflating mattress Jun. 25, 2013
8465091 Adjustable office chair Jun. 18, 2013
8225439 Sleeper sofa Jul. 24, 2012
8011034 Foldable sofa-bed with folding-assist and extension-assist mechanisms Sep. 6, 2011
7975171 Automated file recovery based on subsystem error detection results Jul. 5, 2011
7549182 Seating unit convertible to bed Jun. 23, 2009
6935924 Method for deciding a bevel curve, method for determining a locus of a bevel, method for processing a lens and apparatus for processing a lens Aug. 30, 2005
6904628 Convertible sofa-bed Jun. 14, 2005
4939802 Sofa-bed Jul. 10, 1990
4737996 Seat-bed conversion assembly Apr. 19, 1988
4694514 Convertible sofa mechanism Sep. 22, 1987
4563037 Convertible furniture Jan. 7, 1986
4398311 Folding sofa-bed mechanism Aug. 16, 1983
4221428 Convertible chair and bed Sep. 9, 1980

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