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Class Information
Number: 297/452.29
Name: Chairs and seats > Bottom or back > Contoured back
Description: Device including a back configured to substantially conform with the shape or curvature of a back of a seated occupant.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7604299 |
Backrest assembly |
Oct. 20, 2009 |
| 7600821 |
Seat |
Oct. 13, 2009 |
| 7320503 |
Backrest for seats and chairs having pressure and tensile elements |
Jan. 22, 2008 |
| 7270377 |
Lumbar support for law enforcement officers |
Sep. 18, 2007 |
| 7252340 |
Aircraft passenger seat with forward arm rest pivot |
Aug. 7, 2007 |
| 6926358 |
Impact absorbing structure and seat structure |
Aug. 9, 2005 |
| 6910741 |
Lumbar support |
Jun. 28, 2005 |
| 6899397 |
Aircraft passenger seat with forward arm rest pivot |
May. 31, 2005 |
| 6655740 |
Motorcycle backrest |
Dec. 2, 2003 |
| 6652034 |
Upholstery support |
Nov. 25, 2003 |
| 6454352 |
Car seat pad |
Sep. 24, 2002 |
| 6409268 |
Flexible chair back |
Jun. 25, 2002 |
| 6394547 |
Ergonomic chair |
May. 28, 2002 |
| 6231124 |
Multi-functional cafe chair |
May. 15, 2001 |
| 6217121 |
Therapeutic cushioning device |
Apr. 17, 2001 |
| 6139110 |
Reinforced cantilever bench |
Oct. 31, 2000 |
| 6099075 |
Seating arrangement |
Aug. 8, 2000 |
| 6041457 |
Method of stretching the human back |
Mar. 28, 2000 |
| 6003937 |
Safety seat |
Dec. 21, 1999 |
| 5779317 |
Chair with interchangeable chair components |
Jul. 14, 1998 |
| 5722102 |
Backrest device |
Mar. 3, 1998 |
| 5580124 |
Apparatus for preventing whiplash |
Dec. 3, 1996 |
| 5547253 |
Sit/stand adjustable, tower chair |
Aug. 20, 1996 |
| 5425567 |
Backrests/legless leisure chairs and methods for making cushions |
Jun. 20, 1995 |
| 5328245 |
Chair having adjustable back support |
Jul. 12, 1994 |
| 5314240 |
Shell structure for use with a chair having synchronously moving seat and seat back |
May. 24, 1994 |
| 5286083 |
Lumbar support back rest |
Feb. 15, 1994 |
| 5251963 |
Vehicular long cruising seat |
Oct. 12, 1993 |
| 5163737 |
Cushion |
Nov. 17, 1992 |
| 5108151 |
Upholstery support for the back rest of a motor vehicle |
Apr. 28, 1992 |
| 5085487 |
Seat with foamed plastic padding and process for its manufacture |
Feb. 4, 1992 |
| 5052755 |
Chair, and methods of constructing and utilizing same |
Oct. 1, 1991 |
| 5018791 |
Seating furniture |
May. 28, 1991 |
| 4981326 |
Ergonomic chair |
Jan. 1, 1991 |
| 4969688 |
Vehicular seat |
Nov. 13, 1990 |
| 4835029 |
Sheath structure for furniture, envelopes, paneling, and the like |
May. 30, 1989 |
| 4796954 |
Seat back rear structure |
Jan. 10, 1989 |
| 4779930 |
Infant head support for use with infant retaining devices |
Oct. 25, 1988 |
| 4621866 |
Armchair structure having an adjustable anatomical configuration |
Nov. 11, 1986 |
| 4615561 |
Vehicle seat |
Oct. 7, 1986 |
| 4607882 |
Chair with saddle shaped seat and members externally transversely therefrom |
Aug. 26, 1986 |
| 4564240 |
Lounger or reclining chair made from a floatable plastic body |
Jan. 14, 1986 |
| 4526421 |
Multi-passenger aircraft seat having composite panel frame |
Jul. 2, 1985 |
| 4354709 |
Flexible elastic support |
Oct. 19, 1982 |
| 4141588 |
Rocking lounge chair |
Feb. 27, 1979 |
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