Resources Contact Us Home
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
Shield for vacuum circuit breaker
Manufacturing method for semiconductor device carrier and semiconductor package using the same
System and method for redundant array copy removal in a pointer-free language
Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same
Determination of statistical upper bound for estimate of noise power spectral density
Systems and methods for switching supply load current estimation
Buried object detection in GPR images
  Randomly Featured Patents
Control of vehicular systems in response to anticipated conditions predicted using predetermined geo-referenced maps
Support arm
Flux solution for soldering containing borneol
Polycarbonate polyurethanes based on particular aliphatic/cycloaliphatic polycarbonates
Network-access management system and method applied to network and computer program product including computer program recorded on storage medium for creating display data
Frequency modulated message transmission
CNC process for displacing a movable member along a path on a 3D surface
Fingerprint compound and method
Purified liner and method for making
Shotshell size adapter