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Class Information
Number: 5/659
Name: Beds > Attachment or accessory > For placement below a mattress and above its supporting structure (e.g., bed boards)
Description: Subject matter comprising an attachment or accessory adapted to be removably positioned between a mattress and its supporting structure, for the purpose of altering the support characteristics of the mattress.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7296311 |
Mattress supported frame and tray |
Nov. 20, 2007 |
| 7131153 |
Bed skirt protector and method of use |
Nov. 7, 2006 |
| 7103933 |
Mattress and bed assembly providing an enlarged sleeping surface area |
Sep. 12, 2006 |
| 6886203 |
Mattress lifter |
May. 3, 2005 |
| 6871369 |
Device for correcting sagging beds |
Mar. 29, 2005 |
| 6795989 |
Air assist device for bed linen changing |
Sep. 28, 2004 |
| 6772462 |
Tiltable bed |
Aug. 10, 2004 |
| 6760938 |
Bed board |
Jul. 13, 2004 |
| 6715172 |
System for controlling the position of an inflatable bedrest positioned under a mattress |
Apr. 6, 2004 |
| 6681425 |
Adjustable bedrests positioned under a mattress to raise and lower the mattress at either the head location, a foot location or any other location |
Jan. 27, 2004 |
| 6665898 |
Device for correcting a sagging bed |
Dec. 23, 2003 |
| 6618883 |
Mattress support device for a sofa sleeper |
Sep. 16, 2003 |
| 6588037 |
Portable support for a mosquito net |
Jul. 8, 2003 |
| 6557198 |
Mattress and bed assembly providing an enlarged sleeping surface area |
May. 6, 2003 |
| 6519798 |
Mattress and bed assembly providing an enlarged sleeping surface area |
Feb. 18, 2003 |
| 6295674 |
Foldable sleeper sofa mattress and method of manufacturing |
Oct. 2, 2001 |
| 6289539 |
Handrail attachments for beds |
Sep. 18, 2001 |
| 6151734 |
Head support apparatus |
Nov. 28, 2000 |
| 6138301 |
Bed transfer device |
Oct. 31, 2000 |
| 5970549 |
Inflatable support system |
Oct. 26, 1999 |
| 5867852 |
Back support with adjustable straps |
Feb. 9, 1999 |
| 5787530 |
Apparatus and method for bed access assistance |
Aug. 4, 1998 |
| 5642541 |
Bedside reading table |
Jul. 1, 1997 |
| 5592709 |
Apparatus for adjusting the attitude of a mattress |
Jan. 14, 1997 |
| 5471689 |
Bed handle system |
Dec. 5, 1995 |
| 5433432 |
Bed basketball |
Jul. 18, 1995 |
| 5379472 |
Mattress |
Jan. 10, 1995 |
| 5313679 |
Bed having system for moving mattress up and down |
May. 24, 1994 |
| 5257430 |
Bed having a system for moving a mattress up and down |
Nov. 2, 1993 |
| 5070559 |
Adjustable spinal support |
Dec. 10, 1991 |
| 4965897 |
Adjustable appendage for mattress providing means |
Oct. 30, 1990 |
| 4862537 |
Portable bed stiffener |
Sep. 5, 1989 |
| 4860396 |
Backboard for dual occupancy bed |
Aug. 29, 1989 |
| 4819286 |
Stiffener for dry flotation cushions used in wheelchairs |
Apr. 11, 1989 |
| 4815155 |
Portable underlying mattress stiffener |
Mar. 28, 1989 |
| 4767419 |
Protective pad for crib rail |
Aug. 30, 1988 |
| 4745645 |
Inflatable insert for worn mattresses |
May. 24, 1988 |
| 4649583 |
Therapeutic support device |
Mar. 17, 1987 |
| 4561549 |
Apparatus for supporting baby toys |
Dec. 31, 1985 |
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