Patent US4780921A successfully refreshed from Google Patents.
US4780921A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cover for therapeutic support cushion
Assignee: Individual
•
Filing: 1987-04-08
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Granted: 1988-11-01
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Expires: 2007-04-08
Abstract
Abstract A resilient and stretchable cover for a therapeutic support cushion comprises an opening formed by detaching overlapping end portions of its top and bottom walls provided with an adhesive fastener tape secured thereto. The cover also includes a transversely disposed vertical partition comprising two overlapping detachably adherent sections, thereby forming two separate chambers, each adapted for accomodation of a support cushion.
Inventors
- 👤 Karen R. Lahn
- 👤 Russell G. Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:13
CPC Classifications
A; A47; A47C; A47C20/00; A47C20/02; A47C20/027; A47C27/00; A47C27/08; A47C27/081; A47C27/10
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
162 words
A flexible, adjustable cover for a therapeutic support cushion comprising a top wall, a bottom wall, a front wall, a rear wall, a front end and a rear end, a pair of opposite side walls, a free end portion of said top walls extending under a free end portion of said bottom wall in overlapping relation, a detachable adhesive tape fastening means affixed transversely to the end portions of said bottom wall and of said top wall for closing and opening said cover and a generally vertical partition formed by a pair of detachably adherent overlapping sections inside said cover between said top wall and said bottom wall providing a pair of separate hollow chambers, said sections comprising an upper section disposed downwardly and secured to inner surface of said top wall and a lower section disposed upwardly and secured to inner surface of said bottom wall, the overlapping portions of said sections being joined in a sealing engagement with each other.
Claim 2
Dependent Claim
162 words
A flexible, adjustable cover for a therapeutic support cushion comprising a top wall, a bottom wall, a front wall, a rear wall, a front end and a rear end, a pair of opposite side walls, a free end portion of said top walls extending under a free end portion of said bottom wall in overlapping relation, a detachable adhesive tape fastening means affixed transversely to the end portions of said bottom wall and of said top wall for closing and opening said cover and a generally vertical partition formed by a pair of detachably adherent overlapping sections inside said cover between said top wall and said bottom wall providing a pair of separate hollow chambers, said sections comprising an upper section disposed downwardly and secured to inner surface of said top wall and a lower section disposed upwardly and secured to inner surface of said bottom wall, the overlapping portions of said sections being joined in a sealing engagement with each other.
Claim 3
Dependent Claim
18 words
The cover of claim 1, wherein said top wall is sloping toward the front end of said cover.
Claim 4
Dependent Claim
47 words
The cover of claim 1, wherein said fastening means comprises a first adhesive fastener tape secured to outer surface of said bottom wall and a cooperating second adhesive fastener tape secured to inner surface of said top wall and disposed substantially parallel to said first fastener tape.
Claim 5
Dependent Claim
33 words
The cover of claim 1, wherein a third adhesive tape fastener is secured transversely to the outer surface of said top wall for closing or opening said cover when said cover is empty.
Claim 6
Dependent Claim
27 words
The cover of claim 1, wherein the overlapping portions of said upper section and said lower section are disposed generally in the central portion of said partition.
Claim 7
Dependent Claim
16 words
The cover of claim 1 including a support cushion removably disposed within each of said chambers.
Claim 8
Dependent Claim
11 words
The cover of claim 6, wherein said support cushion is inflatable.
Claim 9
Dependent Claim
29 words
The cover of claim 6, wherein said support cushion is fitted with a valve for inflation thereof, said valve projecting through an opening in a wall of said cover.
Claim 10
Dependent Claim
19 words
The cover of claim 6, wherein said support cushion is supplemented by a lightweight particulate or fibrous filling material.
Claim 11
Dependent Claim
15 words
The cover of claim 1 formed of a single sheet of a stretchable plastic material.
Claim 12
Dependent Claim
11 words
The cover of claim 1, wherein said plastic material is polypropylene.
Claim 13
Dependent Claim
16 words
The cover of claim 1, wherein said cover is of a substantially rectangular configuration when empty.
Claim 14
Dependent Claim
16 words
In combination, a therapeutic support cushion enclosed in a chamber of the cover of claim 1.
Claim 15
Dependent Claim
36 words
An assembly of two air-inflatable support cushions disposed in two separate chambers of a cover defined in claim 1, said assembly having adjustable resiliency and capability to support an area of a person's body placed thereon.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-11-01 | 1992-05-02 | 1992-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-01 | 1996-05-02 | 1996-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-01 | 2000-05-02 | 2000-11-01 | $7700.00 | Window Closed / Lapsed |