US4186457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pediatric water mattress
Assignee: AQUA BABE CORP
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Filing: 1978-12-20
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Granted: 1980-02-05
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Expires: 1998-12-20
Abstract
Abstract In a pediatric water mattress, of the type for use for therapeutic purposes for enhancing the health attributes of an infant particularly after premature birth, the mattress incorporates a pair of inner liners that are sealed together around their perimeter to form a water holding chamber, a pair of outer liners, said outer liners being larger than the inner liners and forming a minor capacity air chamber in which the inner water chamber is located, a valve connecting through the lower outer and inner liners for providing access into the inner chamber for admission of water therein, with another valve connecting through the upper liner for providing access into the outer chamber for determining its contents, a covered guard means surrounding the mattress and being adhered coextensively with the outer periphery of the outer chamber, and an inflatable pillow formed for attachment upon the uppermost surface of the outer liner for providing comfort and therapeutic positioning of any infant resting upon the mattress.
Inventors
- 👤 Robert J. Amelung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:31
CPC Classifications
A; A47; A47D; A47D15/00; A47D15/001; A47D15/003; A47C; A47C27/00; A47C27/08; A47C27/085; A47D15/005; A47D15/008
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
175 words
A pediatric water mattress for infant therapeutic usage, comprising, a pair of inner liners sealed together around their periphery for forming an inner chamber and provided for holding a supply of water, a pair of outer liners also sealed together around their perimeter for forming an outer chamber and being larger than the pair of inner liners, said inner liners formed water chamber being located within the said outer chamber, said outer chamber arranged for holding some minimal quantity of air, a valve means connected through both an inner and outer liner for use for introducing a supply of water into the said inner chamber, a check valve connecting through the outer liner and for use for investigating the contents of the outer air chamber, and guard means connecting around the perimeter of the said outer liner to restrain any infant located upon the mattress wherein said guard means extends upwardly above the said liner to which it attaches, and said guard means being coextensive with the perimeter of the liner to which it connects.
Claim 2
Dependent Claim
175 words
A pediatric water mattress for infant therapeutic usage, comprising, a pair of inner liners sealed together around their periphery for forming an inner chamber and provided for holding a supply of water, a pair of outer liners also sealed together around their perimeter for forming an outer chamber and being larger than the pair of inner liners, said inner liners formed water chamber being located within the said outer chamber, said outer chamber arranged for holding some minimal quantity of air, a valve means connected through both an inner and outer liner for use for introducing a supply of water into the said inner chamber, a check valve connecting through the outer liner and for use for investigating the contents of the outer air chamber, and guard means connecting around the perimeter of the said outer liner to restrain any infant located upon the mattress wherein said guard means extends upwardly above the said liner to which it attaches, and said guard means being coextensive with the perimeter of the liner to which it connects.
Claim 3
Dependent Claim
34 words
The invention of claim 1 and wherein said guard means comprises a length of foam polymer, and a covering of material surrounding said foam and attaching with at least one of said outer liners.
Claim 4
Dependent Claim
11 words
The invention of claim 1 wherein said foam polymer comprises polyethylene.
Claim 5
Dependent Claim
23 words
The invention of claim 3 and wherein said guard means covering material and the inner and outer liners are formed of polyvinyl chloride.
Claim 6
Dependent Claim
23 words
The invention of claims 1 or 4 and wherein said inner liners are formed of thicker gauge material than the said outer liners.
Claim 7
Dependent Claim
31 words
The invention of claim 1 and including a pillow means provided upon the upper exposed outer liner, said pillow means providing for the comfort and therapeutic positioning of any infant thereon.
Claim 8
Dependent Claim
40 words
The invention of claims 1 or 6 and including strap means securing to the uppermost disposed outer liner, fastening means provided upon said strap means and designed for fastening around the infant to maintain its sustained positioning upon the mattress.
Claim 9
Dependent Claim
61 words
The invention of claim 7 and wherein said pillow means is formed from a singular sheet of liner material, said sheet being folded over into edge alignment and sealed along its aligned edges, one of said sealed edges being adhered to the upper surface of the outer liner, and valve means provided through the pillow means to allow for its inflation.
Claim 10
Dependent Claim
33 words
The invention of claim 1 and wherein the guard means and the liner means are unconnected at least at one location to provide clearance for insertion of any wiring or the like therethrough.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-02-04 | 1983-08-06 | 1984-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-04 | 1987-08-06 | 1988-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-04 | 1991-08-06 | 1992-02-05 | $7700.00 | Window Closed / Lapsed |