Patent US4471993A successfully refreshed from Google Patents.
US4471993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Personalized low back support device
Assignee: Individual
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Filing: 1981-11-13
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Granted: 1984-09-18
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Expires: 2001-11-13
Abstract
Abstract A device with a semi-rigid structural support orthopedically contoured in concavo-convex shape formed on a mold the exact outline of the lumbar area of ones back. The support is covered with resilient material front and back and in the convex area. A fabric cover encloses the device and includes a zipper for convenience of closure. Reversible straps fastened to the cover provide attachment to chairs or seats to assure alignment with the back and maintain integrity of the device.
Inventors
- 👤 Steven R. Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:59
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/40; A47C7/42; A47C7/425
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
168 words
A device for supporting the low back area of the body comprising: (a) an orthopedic shaped structural support having a top and bottom comprised of a semi-rigid substance having the exact configuration of ones lower back for supporting the lumbar area by contiguous structural intervention. (b) a front resilient member juxtaposed on the front of said structural support providing an elastic, springy surface for engaging ones lumbar back area. (c) an inner core contiguous with the back of said structural support complementary thereto and filling voids made by said orthopedic shape, (d) a fabric enclosure encompassing said structural support front resilient member and inner core having means for closing and means for strap fastening thereto providing a removable protective cover with integral strap attaching points, and (e) a plurality of straps connected to said strap fastening means providing a method of attachment to a seating structure to maintain said device in proper orientation with the lumbar area of ones back by intimately embracing the seating structure contiguous therewith.
Claim 2
Independent Claim
168 words
A device for supporting the low back area of the body comprising: (a) an orthopedic shaped structural support having a top and bottom comprised of a semi-rigid substance having the exact configuration of ones lower back for supporting the lumbar area by contiguous structural intervention. (b) a front resilient member juxtaposed on the front of said structural support providing an elastic, springy surface for engaging ones lumbar back area. (c) an inner core contiguous with the back of said structural support complementary thereto and filling voids made by said orthopedic shape, (d) a fabric enclosure encompassing said structural support front resilient member and inner core having means for closing and means for strap fastening thereto providing a removable protective cover with integral strap attaching points, and (e) a plurality of straps connected to said strap fastening means providing a method of attachment to a seating structure to maintain said device in proper orientation with the lumbar area of ones back by intimately embracing the seating structure contiguous therewith.
Claim 3
Dependent Claim
69 words
The inner core according to claim 1 further comprising: (a) an interior core spacer of resilient material having a form somewhat similar to and juxtaposed with said structural support for filling irregular voids made by said orthopedic shape, (b) a back resilient member attached to said interior core creating a pliable back to said device being elastic to conform to the characteristics of a seating structure when fastened thereon.
Claim 4
Dependent Claim
15 words
The means for closing according to claim 1 comprising: a slide fastener on one side.
Claim 5
Dependent Claim
39 words
The strap fastening means recited in claim 1 comprising: said fabric enclosure having a plurality of slots on one surface in spaced relationship allowing said straps to be inserted therein in combination to the configuration of the seating arrangement.
Claim 6
Dependent Claim
40 words
The strap fastening means recited in claim 1 comprising: a plurality of snaps attached to one surface of said fabric enclosure in spaced relationship allowing said straps to be attached thereto in combination to the configuration of the seating arrangement.
Claim 7
Dependent Claim
36 words
The straps according to claim 1 further comprising: a buckle on the first end attached in looping relationship, providing fastening to the second end with tightening adjustments to encircle the seating arrangement when fastening said device.
References Cited (Backward Citations)
US1667626A
Cited
US1982516A
Cited
US2291266A
Cited
US2894565A
Cited
US2905230A
Cited
US3103219A
Cited
US3181530A
Cited
US3361471A
Cited
US3464754A
Cited
US3608106A
Cited
US3974827A
Cited
US4143909A
Cited
US4335725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-09-18 | 1988-03-19 | 1988-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-18 | 1992-03-19 | 1992-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-18 | 1996-03-19 | 1996-09-18 | $7700.00 | Window Closed / Lapsed |