Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Household
Class Information
Number: 5/44.1
Name: Beds > Sofa bed > Forward-turning back > Advancing and unfolding seat
Description: Device in which the forward-turning back is combined into a bed bottom with an unfolding seat.










Patents under this class:

Patent Number Title Of Patent Date Issued
8387176 Motorized mechanism for extending a sofa sleeper from a sitting position to a reclining position Mar. 5, 2013
7488300 Bicentric hinge for use in a brace Feb. 10, 2009
4398311 Folding sofa-bed mechanism Aug. 16, 1983
4378609 Sofa bed with mattress longitudinally compressed for storage and method Apr. 5, 1983
4205405 Convertible sofa-bed Jun. 3, 1980
4190911 Convertible couch Mar. 4, 1980
4123811 Convertible sofa bed and cover Nov. 7, 1978
4037872 Convertible seat-bed Jul. 26, 1977











 
 
  Recently Added Patents
Dual-box location aware and dual-bitmap voltage domain aware on-chip variation techniques
Transferring data by touch between touch-screen devices
Architectural panel with millet and grass
Electrifying roller
Thermoplastic resin composition
Facility to reuse paper
Polypeptide microparticles
  Randomly Featured Patents
Methods and systems using field-based light scattering spectroscopy
Lever-operated hoist or puller
Carton hanger-opener
Locking detent for corrugated tube
Venturi type air distribution system
Knitted support tape of slide fastener
Thermoprotector
DTV transmitting system and receiving system and method of processing broadcast signal
Telecommunication call support for mobile devices with presence features
Benzenesulfonamide derivatives and methods for their production