Patent US4824169A successfully refreshed from Google Patents.
US4824169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orthopedic seat
Assignee: Individual
•
Filing: 1988-02-25
•
Granted: 1989-04-25
•
Expires: 2008-02-25
Abstract
Abstract A portable orthopedic seat has a backing sheet adapted to be draped over the top and back of a chair, a wedge-shaped and a half-teardrop shaped cushion, and fasteners for releasibly fastening the cushions to the backing sheet in orientations selected to adapt the chair for use by a person with a specific abnormal spinal condition.
Inventors
- 👤 Loyd E. Jarrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:14
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/40; A47C7/42; A47C7/425; A47C7/02; A47C7/029; A61; A61F; A61F5/00; A61F5/01; A61G; A61G5/00; A61G5/10; A61G5/1091; Y; Y10; Y10S; Y10S297/00; Y10S297/06; Y10S5/00; Y10S5/922
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
300 words
A portable orthopedic seat comprising: a backing adapted to be placed upon the seat and back of a chair and having a fold which extends from a first side edge to a second side edge of said backing between back and seat portions of said backing; a generally wedge-shaped seat cushion having a narrower portion at one end and a thicker portion at an opposite end; a generally half-teardrop shaped lordotic cushion having a narrower portion at one end and a thicker portion at an opposite end; first fastening means comprising masses of interlockable fibers for releasibly fastening said seat cushion upon said seat portion of said backing in four different orientations with respect to said seat portion including a first orientation wherein said narrow portion is generally parallel and proximal to said fold, a second orientation wherein said narrow portion is generally parallel and distal to said fold, a third orientation wherein said narrow portion is generally perpendicular to said fold and proximal to said backing first side edge, and a fourth orientation wherein said narrow portion is generally perpendicular to said fold and proximal said backing second side edge; and second fastening means comprising masses of interlockable fibers for releasibly fastening said lordotic cushion upon said back portion of said backing in two orientations with respect to said back portion including a first orientation wherein said narrow portion of said lordotic cushion is generally parallel and proximal to said fold and a second orientation wherein said narrow portion of said lordotic cushion is generally parallel and distal to said fold; whereby the backing may be positioned upon a chair and the seat and lordotic cushions respectively fastened to the seat and back portions of said backing in orientations selected to accommodate the specific spinal abnormalities of the user.
Claim 2
Dependent Claim
300 words
A portable orthopedic seat comprising: a backing adapted to be placed upon the seat and back of a chair and having a fold which extends from a first side edge to a second side edge of said backing between back and seat portions of said backing; a generally wedge-shaped seat cushion having a narrower portion at one end and a thicker portion at an opposite end; a generally half-teardrop shaped lordotic cushion having a narrower portion at one end and a thicker portion at an opposite end; first fastening means comprising masses of interlockable fibers for releasibly fastening said seat cushion upon said seat portion of said backing in four different orientations with respect to said seat portion including a first orientation wherein said narrow portion is generally parallel and proximal to said fold, a second orientation wherein said narrow portion is generally parallel and distal to said fold, a third orientation wherein said narrow portion is generally perpendicular to said fold and proximal to said backing first side edge, and a fourth orientation wherein said narrow portion is generally perpendicular to said fold and proximal said backing second side edge; and second fastening means comprising masses of interlockable fibers for releasibly fastening said lordotic cushion upon said back portion of said backing in two orientations with respect to said back portion including a first orientation wherein said narrow portion of said lordotic cushion is generally parallel and proximal to said fold and a second orientation wherein said narrow portion of said lordotic cushion is generally parallel and distal to said fold; whereby the backing may be positioned upon a chair and the seat and lordotic cushions respectively fastened to the seat and back portions of said backing in orientations selected to accommodate the specific spinal abnormalities of the user.
Claim 3
Dependent Claim
160 words
The orthopedic seat of claim 1 wherein said first fastening means comprises a first pair of strips of Velcro material mounted to said backing back portion oriented generally parallel to each other and perpendicular to said fold, and a second pair of strips of Velcro material mounted to said lordotic cushion oriented generally parallel to each other and extending from said narrower end to said thicker end, and wherein said second fastening means comprises a third pair of strips of Velcro material mounted to said backing seat portion oriented generally parallel to each other and obliquely with respect to said fold, and a fourth pair of strips of Velcro material mounted to said seat cushion oriented generally parallel to each other and obliquely with respect to said narrower end whereby the first and second pairs of strips will overlay or traverse each other in all angular positions of the seat cushion with respect to the seat portion of the backer.
Claim 4
Dependent Claim
74 words
The seat as claimed in claim 1 further including a handle attached to an end of said backing distal from said fold and a belt of a length sufficient to be looped behind the chair to hold said backing thereto and of sufficient length to be looped behind said seat portion of said backing when folded into said folded configuration to hold the seat and back portions together for hand carrying by said handle.
References Cited (Backward Citations)
US1379771A
Cited
US1640743A
Cited
US1802853A
Cited
US1891747A
Cited
US2034369A
Cited
US2047035A
Cited
US2557874A
Cited
US2672920A
Cited
US2591306A
Cited
US2884991A
Cited
US2816599A
Cited
US3511537A
Cited
US3265437A
Cited
US3495871A
Cited
US3542421A
Cited
US4105249A
Cited
US4190918A
Cited
US4362334A
Cited
US4556254A
Cited
US4506929A
Cited
US4565405A
Cited
US4718724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-04-24 | 1992-10-24 | 1993-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-04-24 | 1996-10-24 | 1997-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-04-24 | 2000-10-24 | 2001-04-25 | $7700.00 | Window Closed / Lapsed |