| |
 |
|
Class Information
Number: 297/452.33
Name: Chairs and seats > Bottom or back > Contoured back > Laterally extending contour
Description: Device wherein the back includes a contoured surface configured to extend from one lateral edge to another lateral edge of the back of the seating device.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7427107 |
Movable backrest for a chair |
Sep. 23, 2008 |
| 7354107 |
Vehicle seat with a deformable S-shaped backrest |
Apr. 8, 2008 |
| 7290837 |
Cushion plate for vehicle seat |
Nov. 6, 2007 |
| 7270377 |
Lumbar support for law enforcement officers |
Sep. 18, 2007 |
| 7252340 |
Aircraft passenger seat with forward arm rest pivot |
Aug. 7, 2007 |
| 7185910 |
Multi adjustable chair |
Mar. 6, 2007 |
| 7178875 |
Chair apparatus |
Feb. 20, 2007 |
| 7040706 |
Seat and method of making same |
May. 9, 2006 |
| 6899397 |
Aircraft passenger seat with forward arm rest pivot |
May. 31, 2005 |
| 6550858 |
Extricable seat assembly |
Apr. 22, 2003 |
| 6305751 |
Chair |
Oct. 23, 2001 |
| 6250718 |
Support member for a chair back |
Jun. 26, 2001 |
| 6109696 |
Chair with chair back attachment |
Aug. 29, 2000 |
| 6095612 |
Adjustable wheelchair back, latching mechanism therefor, and related devices |
Aug. 1, 2000 |
| 6027171 |
Automotive modular seat frame assembly |
Feb. 22, 2000 |
| 5906416 |
Adjustable wheelchair back, related devices and adjustable wheelchair seat back cushion |
May. 25, 1999 |
| 5868463 |
Seat cushion with selectively inflatable interior seat and back compartments |
Feb. 9, 1999 |
| 5599063 |
Baby bathing, feeding, sleeping and seating chair |
Feb. 4, 1997 |
| 5503459 |
Wheelchair back for kyphotic patients |
Apr. 2, 1996 |
| 5482355 |
Orthopedic pillow |
Jan. 9, 1996 |
| 5441331 |
Seating assembly |
Aug. 15, 1995 |
| 5340197 |
One-piece seat shell |
Aug. 23, 1994 |
| 5338099 |
Shell structure for use with a chair having synchronously moving seat and seat back |
Aug. 16, 1994 |
| 5195804 |
Back-rest having two oval shaped shells each concave to vertical and convex to horizontal |
Mar. 23, 1993 |
| 5042875 |
Portable seat assembly |
Aug. 27, 1991 |
| 4945591 |
Cushionlike item with projections attached thereto by strings |
Aug. 7, 1990 |
| 4925246 |
Prisoner restraint system |
May. 15, 1990 |
| 4890885 |
Seat for a vehicle, aircraft or the like |
Jan. 2, 1990 |
| 4835801 |
Back support cushion |
Jun. 6, 1989 |
| 4783121 |
Improved chair with convex upper backrest and forward seat surfaces |
Nov. 8, 1988 |
| 4732426 |
Seating-system for folding wheelchairs |
Mar. 22, 1988 |
| 4688853 |
Shape-defining articulated structures |
Aug. 25, 1987 |
| 4592587 |
Shapeable matrix, and a chair using a matrix |
Jun. 3, 1986 |
| 4506929 |
Lumbar ridge supporting |
Mar. 26, 1985 |
| 4131314 |
Seating furniture |
Dec. 26, 1978 |
|
|
|
