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Class Information
Number: 297/230.11
Name: Chairs and seats > Supplemental back > Flexible occupant back-engaging surface spans framework
Description: Device in which the supplemental back includes a rigid skeletal structure and an occupant-engaging surface made of a flaccid material mounted across the rigid skeletal structure, wherein the occupant-engaging surface may be in the form of a panel or a plurality of elongated webs.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7575275 |
Bleacher cushion |
Aug. 18, 2009 |
| 7488041 |
Legless chair |
Feb. 10, 2009 |
| 7422282 |
Back support for seat |
Sep. 9, 2008 |
| 7422286 |
Chair and method for supporting lower back |
Sep. 9, 2008 |
| 7374246 |
Stadium cushion |
May. 20, 2008 |
| 7237844 |
Portable vertebrae decompression device with adjustable height support |
Jul. 3, 2007 |
| 7156465 |
Portable vertebrae decompression device with adjustable height support |
Jan. 2, 2007 |
| 7104605 |
Stadium cushion |
Sep. 12, 2006 |
| 7000985 |
Adjustable non-freestanding child seat |
Feb. 21, 2006 |
| 6971717 |
Backrest |
Dec. 6, 2005 |
| 6926360 |
Stadium chair |
Aug. 9, 2005 |
| 6899391 |
Seat back with flap to hold indicia |
May. 31, 2005 |
| 6739667 |
Stadium chair |
May. 25, 2004 |
| 6334650 |
Flexible seat pad with position-adjustable nape and waist rests |
Jan. 1, 2002 |
| 5403067 |
Back support for a chair or seat |
Apr. 4, 1995 |
| 5398993 |
Frame body structure of elastic arcuate cushion |
Mar. 21, 1995 |
| 5190347 |
Adjustable flexible back cushion with adjusting belts and attachment belt |
Mar. 2, 1993 |
| 4865380 |
Universal portable seat cushion w/retractable sunshade device for seated-person |
Sep. 12, 1989 |
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