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Class Information
Number: 5/35
Name: Beds > Sofa bed > Unfolding seat > Double unfolding (including zigzag)
Description: Devices in which the seat section carries additional forward unfolding bed sections.

Patents under this class:

Patent Number Title Of Patent Date Issued
8465091 Adjustable office chair Jun. 18, 2013
8438676 Seating unit convertible to bed May. 14, 2013
8429770 Convertible sofa with contained air mattress Apr. 30, 2013
8201290 Convertible sofa with contained air mattress Jun. 19, 2012
7827629 Folding furniture structure convertible between a folded seating condition and an unfolded sleeping condition Nov. 9, 2010
6718570 Convertible couch bed Apr. 13, 2004
6161231 Sleeper sofa with an air mattress Dec. 19, 2000
5505513 Convertible bed/seat for vehicle Apr. 9, 1996
4631764 Console bed Dec. 30, 1986
4612677 Convertible sofa mechanism Sep. 23, 1986
4129908 Foundation unit with cushioned cross rails Dec. 19, 1978
3952344 Pull-out folding sofa beds Apr. 27, 1976

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