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Class Information
Number: 297/230.13
Name: Chairs and seats > Supplemental back > Back and supplemental back together form occupant back-engaging surface
Description: Device wherein the supplemental back is configured to extend only partially over the back of the seating device such that an occupant"s back is engaged by both the back of the seating device and the supplemental back concurrently.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7614691 |
Support cushion |
Nov. 10, 2009 |
| 7562938 |
Device for supporting a person in a sitting position |
Jul. 21, 2009 |
| 7547071 |
Maternity pillow |
Jun. 16, 2009 |
| 7488041 |
Legless chair |
Feb. 10, 2009 |
| 7422286 |
Chair and method for supporting lower back |
Sep. 9, 2008 |
| 7416257 |
Device for supporting a person in a sitting position |
Aug. 26, 2008 |
| 7261380 |
Pelvis remedial seating device |
Aug. 28, 2007 |
| 7237844 |
Portable vertebrae decompression device with adjustable height support |
Jul. 3, 2007 |
| 7156465 |
Portable vertebrae decompression device with adjustable height support |
Jan. 2, 2007 |
| 7147282 |
Chair with backrest depth adjustment mechanism |
Dec. 12, 2006 |
| 7114775 |
Sacroiliac joint support mechanism for use with a golf vehicle |
Oct. 3, 2006 |
| 7108321 |
Portable forward leaning stadium seat |
Sep. 19, 2006 |
| 7044547 |
Seating apparatus |
May. 16, 2006 |
| 6951367 |
Vehicle seat pad |
Oct. 4, 2005 |
| 6935685 |
Seat forming member and head protector of child-care instrument |
Aug. 30, 2005 |
| 6929275 |
Person transport wheelchair |
Aug. 16, 2005 |
| 6926359 |
Child seat cover |
Aug. 9, 2005 |
| 6793287 |
Booster seat head rest |
Sep. 21, 2004 |
| 6382719 |
Back construction |
May. 7, 2002 |
| 6299248 |
Posture system |
Oct. 9, 2001 |
| 6059370 |
Wheelchair seat back pelvic support system |
May. 9, 2000 |
| 5863095 |
Lobed lumbar pillow |
Jan. 26, 1999 |
| 5829830 |
Support insert for a highchair |
Nov. 3, 1998 |
| 5816654 |
Back and lumbar support and method |
Oct. 6, 1998 |
| 5456519 |
Back cushion and seat cushion system |
Oct. 10, 1995 |
| 4912788 |
Seat pad for invalid patients |
Apr. 3, 1990 |
| 4634176 |
Back support assembly for vehicle seat |
Jan. 6, 1987 |
| 4597386 |
Lumbar support system |
Jul. 1, 1986 |
| 4506929 |
Lumbar ridge supporting |
Mar. 26, 1985 |
| 4471993 |
Personalized low back support device |
Sep. 18, 1984 |
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