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Class Information
Number: 297/452.36
Name: Chairs and seats > Bottom or back > Contoured back > Laterally extending contour > Including a projected side member > Rigid or semirigid preshaped panel
Description: Device wherein the contoured back is preshaped and made of material that is substantially nonyielding or that yields to a slight degree.










Patents under this class:

Patent Number Title Of Patent Date Issued
8251441 Chair Aug. 28, 2012
8033613 Patient chair Oct. 11, 2011
7677670 Patient chair Mar. 16, 2010
7673944 Backrest frame for a rear seat of a vehicle and a method for producing the frame Mar. 9, 2010
7669935 Protective chair Mar. 2, 2010
7290836 Patient chair Nov. 6, 2007
7273257 Recliner chair having a turning up and stretching out footrest mechanism Sep. 25, 2007
7040708 Vehicle seat May. 9, 2006
7040709 Back construction for seating unit having inverted U-shaped frame May. 9, 2006
6991291 Back construction for seating unit having spring bias Jan. 31, 2006
6626497 Backrest of a chair Sep. 30, 2003
6250718 Support member for a chair back Jun. 26, 2001
6139109 Race car seat and jig and method for making the same Oct. 31, 2000
6109696 Chair with chair back attachment Aug. 29, 2000
6092872 Chair wing structure Jul. 25, 2000
6059370 Wheelchair seat back pelvic support system May. 9, 2000
6033025 Notched support pads for cushioning wheelchair seatback Mar. 7, 2000
5988757 Vehicle seat assembly Nov. 23, 1999
5951110 Contoured plastic seat back Sep. 14, 1999
5810446 Frame structure of seatback Sep. 22, 1998
5615927 Seat for child-care implement Apr. 1, 1997
5582460 Pivotable and height-adjustable chair back rest assembly and blow-molded back rest therefor Dec. 10, 1996
5564788 Thoracic lumbar sacral orthosis support system Oct. 15, 1996
5538326 Flexible unitary seat shell Jul. 23, 1996
5441331 Seating assembly Aug. 15, 1995
5437498 Vehicle seat with side bolster reinforcement Aug. 1, 1995
5022709 Springing and wrap-around element for a seat and/or backrest, and seat embodying the same Jun. 11, 1991
5018791 Seating furniture May. 28, 1991
D307221 Orthopedic chair seat Apr. 17, 1990
4832408 Upholstery support for a vehicle seat May. 23, 1989
4793652 Orthopaedic seating device Dec. 27, 1988
4775187 Folding boat chair Oct. 4, 1988
4556254 Backrest Dec. 3, 1985
4368917 Vehicle seat member integrally formed of synthetic resin material Jan. 18, 1983
4300249 Chair for neurologically impaired patients Nov. 17, 1981











 
 
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