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Class Information
Number: 5/736
Name: Beds > Mattress (for whole body) > Nonplanar top surface > With hills or peaks separated by valleys (e.g., egg crate type)
Description: Nonplanar mattress top surface in which at least a portion of the user contacting face has a pattern of protuberances totally surrounded on all sides by lowered surfaces, defining a surface that resembles an egg crate.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7559106 |
Dynamic pressure relieving mattresses |
Jul. 14, 2009 |
| 7520012 |
Mattress |
Apr. 21, 2009 |
| 7469436 |
Pressure relief surface |
Dec. 30, 2008 |
| 7444707 |
Shear reducing chair cushion |
Nov. 4, 2008 |
| 7426767 |
Waffle-cut foam mattress or cushion pad |
Sep. 23, 2008 |
| 7254852 |
Cushioning device |
Aug. 14, 2007 |
| 7191480 |
Mattress or cushion structure |
Mar. 20, 2007 |
| 7100229 |
Shear reducing mattress system |
Sep. 5, 2006 |
| 7036172 |
Bed having low body pressure and alignment |
May. 2, 2006 |
| 6829799 |
Ischial tuberosity pressure relief cushion |
Dec. 14, 2004 |
| 6782575 |
Mattress core and mattress providing pressure relief and minimizing body pressure |
Aug. 31, 2004 |
| 6701557 |
Single piece foam toppers with perimeter areas having variable support and firmness properties |
Mar. 9, 2004 |
| 6668409 |
Convoluted foam futon mattress |
Dec. 30, 2003 |
| 6434771 |
Mattress incorporating tourmaline |
Aug. 20, 2002 |
| 6381784 |
Pillow with improved head traction |
May. 7, 2002 |
| 6334442 |
Recumbent therapeutic support |
Jan. 1, 2002 |
| 6272707 |
Support pad |
Aug. 14, 2001 |
| 6256822 |
Patient support system with side bolster features |
Jul. 10, 2001 |
| 6202239 |
Multi-zone support |
Mar. 20, 2001 |
| 6199234 |
Infant comfort mattress |
Mar. 13, 2001 |
| 6052851 |
Mattress for minimizing decubitus ulcers |
Apr. 25, 2000 |
| 6029669 |
Modified barium swallow board |
Feb. 29, 2000 |
| 6003179 |
Inclined anatomic support surface |
Dec. 21, 1999 |
| D417355 |
Mattress overlay |
Dec. 7, 1999 |
| D400385 |
Varicolored convoluted mattress pad |
Nov. 3, 1998 |
| 5688538 |
Apparatus for three dimensional surface shaping of synthetic foam |
Nov. 18, 1997 |
| 5671492 |
Contoured asymmetrical mattress |
Sep. 30, 1997 |
| 5666682 |
Mattress pad of adjustable size |
Sep. 16, 1997 |
| D383349 |
Cushion pad |
Sep. 9, 1997 |
| D381543 |
Foam pad |
Jul. 29, 1997 |
| 5642546 |
Inflatable mattress with improved border support wall |
Jul. 1, 1997 |
| 5604021 |
Multi-layer support pad having regions of differing firmness |
Feb. 18, 1997 |
| D374367 |
Mattress cushion |
Oct. 8, 1996 |
| 5534208 |
Three dimensional surface shaping of synthetic foam pads by continuous rotary process |
Jul. 9, 1996 |
| 5488746 |
Polyester fiber and foam core mattress pad |
Feb. 6, 1996 |
| D365956 |
Mattress cushion |
Jan. 9, 1996 |
| 5477573 |
Method of manufacturing a zero base convolute pad |
Dec. 26, 1995 |
| D355322 |
Tri-zone mattress overlay |
Feb. 14, 1995 |
| 5367727 |
Flotation bed with enhanced postural support |
Nov. 29, 1994 |
| D352634 |
Mattress pad |
Nov. 22, 1994 |
| 5327597 |
Convoluted mattress pad having multiple proximate peaks |
Jul. 12, 1994 |
| 5319814 |
Bedding structure with enhanced postural support |
Jun. 14, 1994 |
| 5317768 |
Spring mattress with a top portion containing foam and fibers |
Jun. 7, 1994 |
| D339261 |
Contoured foam mattress pad |
Sep. 14, 1993 |
| D339019 |
Mattress pad |
Sep. 7, 1993 |
| 5230110 |
Mattress cushion with multiple zones |
Jul. 27, 1993 |
| D336400 |
Foam mattress pad |
Jun. 15, 1993 |
| 5172436 |
Mattress cushion |
Dec. 22, 1992 |
| 5172439 |
Therapeutic mattress overlay and method of forming and using the same |
Dec. 22, 1992 |
| 5160785 |
Padding body |
Nov. 3, 1992 |
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