US5503459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheelchair back for kyphotic patients
Assignee: Individual
•
Filing: 1994-08-08
•
Granted: 1996-04-02
•
Expires: 2014-08-08
Abstract
Abstract There is provided a wheelchair back support adapted to specifically meet the requirements of a kyphotic patient. The support comprises an outer shell formed of a firm, pliable fabric. An inner foam padding is inserted within the outer shell. Two, longitudinally extending, resilient spaced-apart ribs are positioned at predetermined distances within the outer shell. The back is top stitched along its outer perimeter at a predetermined distance from the edge thereof to thereby achieve the specified shape.
Inventors
- 👤 Carol White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:48
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/10; A61G5/12; A61G5/1054
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
108 words
An upholstered back support formed of an integral unit defining three sections and particularly adapted for placement in a wheelchair used by patients suffering from kyphosis and which comprises: an outer shell formed of a firm, pliable fabric; an inner foam padding positioned within the outer shell; two resilient, longitudinally extending ribs inserted within the outer shell at predetermined spaced-apart distances thereby dividing the back support into three sections; top stitching along the perimeter of said back support and longitudinally along an edge of each of said ribs so as to provide permanence to the shape thereof; and fasteners for removably attaching said back support to said wheelchair.
Claim 2
Dependent Claim
108 words
An upholstered back support formed of an integral unit defining three sections and particularly adapted for placement in a wheelchair used by patients suffering from kyphosis and which comprises: an outer shell formed of a firm, pliable fabric; an inner foam padding positioned within the outer shell; two resilient, longitudinally extending ribs inserted within the outer shell at predetermined spaced-apart distances thereby dividing the back support into three sections; top stitching along the perimeter of said back support and longitudinally along an edge of each of said ribs so as to provide permanence to the shape thereof; and fasteners for removably attaching said back support to said wheelchair.
Claim 3
Dependent Claim
27 words
The back support as set forth in claim 1 which is located on the wheelchair to accommodate a primary kyphosis that is limited to the thoracic spine.
Claim 4
Dependent Claim
26 words
The back support as set forth in claim 1 which is located on the wheelchair to accommodate a kyphosis that has progressed due to lumbar curvature.
References Cited (Backward Citations)
US2582115A
Cited
US3205010A
Cited
US3197255A
Cited
US4347840A
Cited
FR2535591A1
Cited
EP0154582A2
Cited
US4732426A
Cited
US4752982A
Cited
US4835801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-04-02 | 1999-10-02 | 2000-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-04-02 | 2003-10-02 | 2004-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-04-02 | 2007-10-02 | 2008-04-02 | $7700.00 | Window Closed / Lapsed |