US4664959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorbent bed pad
Assignee: ABSORB-PLUS TEXTILES Inc
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Filing: 1984-04-05
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Granted: 1987-05-12
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Expires: 2004-04-05
Abstract
Abstract An absorbent pad for use on hospital beds, including an impervious sheet co-extensive with one or a pair of absorbent fabric sheets, the absorbent fabric sheets covering the supplemental liquid absorbent material in the center thereof and being stitched to the impervious layer about the periphery thereof.
Inventors
- 👤 J. Roger Dagenais
- 👤 Jacques Dagenais
- 👤 Paul Poirier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:46
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/15203; A61F13/15268; A61F5/00; A61F5/48; A61F5/485; B; B32; B32B; B32B27/00; B32B27/12; A61F13/53; A61F13/534; A61F2013/53445; A61F13/539; A61F2013/53966; Y; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/237; Y10T428/239; Y10T428/24; Y10T428/24033; Y10T428/24752; Y10T428/2476; Y10T428/24777
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
109 words
A reusable, washable absorbent bed pad having an increased urine absorption capacity comprising a first sheet of a soft previous fabric; a non-woven layer of liquid-absorbent material predominantly made up of absorbent fibers underlying at least a central portion of the first sheet, the liquid-absorbent non-woven material being chosen from a group of materials including fiberfill and needle punched artificial absorbent fibers, means fixing the layer of liquid-absorbent material only to said first sheet; and an impermeable sheet coextensive with the first sheet and stitched thereto only at the periphery of said first sheet, the first sheet and the impermeable sheet sandwiching the layer of non-woven liquid-absorbent material therebetween.
Claim 2
Dependent Claim
109 words
A reusable, washable absorbent bed pad having an increased urine absorption capacity comprising a first sheet of a soft previous fabric; a non-woven layer of liquid-absorbent material predominantly made up of absorbent fibers underlying at least a central portion of the first sheet, the liquid-absorbent non-woven material being chosen from a group of materials including fiberfill and needle punched artificial absorbent fibers, means fixing the layer of liquid-absorbent material only to said first sheet; and an impermeable sheet coextensive with the first sheet and stitched thereto only at the periphery of said first sheet, the first sheet and the impermeable sheet sandwiching the layer of non-woven liquid-absorbent material therebetween.
Claim 3
Dependent Claim
27 words
An absorbent bed pad as defined in claim 1, wherein the means for fixing the layer of liquid-absorbent material is a quilted stitching to the first sheet.
Claim 4
Dependent Claim
33 words
An absorbent bed pad as defined in claim 1, wherein the absorbent material is made of a mixture of fibers in the following proportions: 50% to 100% rayon and 0% to 50% polyester.
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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) | 1990-05-11 | 1990-11-10 | 1991-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-11 | 1994-11-10 | 1995-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-11 | 1998-11-10 | 1999-05-12 | $7700.00 | Window Closed / Lapsed |