US4804379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorbent pad with moisture barrier strips
Assignee: Kendall Co
•
Filing: 1987-06-09
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Granted: 1989-02-14
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Expires: 2007-06-09
Abstract
Abstract A disposable absorbent pad for utilization as a diaper or adult brief, comprising an absorbent pad being covered on one side by a sheet of fluid impervious material, and on the other side by a pair of generally parallel strips of fluid impervious material overlapping the absorbent pad and the backing sheet, in the crotch area to prevent leakage of fluid from the absorbent pad in the crotch area.
Inventors
- 👤 Michael R. Toth
- 👤 Mary E. Buckley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:17
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/494; A61F13/49406; A61F13/49413; A61F13/4942; A61F13/53; A61F13/539; A61F13/51; A61F13/514; A61F13/51401; A61F2013/51409
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
84 words
A disposable absorbent pad assembly comprising: a backing sheet of fluid impervious material; a top sheet of fluid pervious material; an absorbent pad disposed between the backing sheet and top sheet; and an elongated strip of fluid impervious material having a side portion secured to the backing sheet in the crotch area of the pad assembly, and an opposed side portion overlying the pad in the crotch area in order to prevent leakage from the pad in the crotch area of the pad assembly.
Claim 2
Dependent Claim
84 words
A disposable absorbent pad assembly comprising: a backing sheet of fluid impervious material; a top sheet of fluid pervious material; an absorbent pad disposed between the backing sheet and top sheet; and an elongated strip of fluid impervious material having a side portion secured to the backing sheet in the crotch area of the pad assembly, and an opposed side portion overlying the pad in the crotch area in order to prevent leakage from the pad in the crotch area of the pad assembly.
Claim 3
Dependent Claim
17 words
The pad assembly of claim 1 wherein the strip extends to opposed ends of the pad assembly.
Claim 4
Dependent Claim
26 words
The pad assembly of claim 2 wherein opposed ends of the strip are secured to the backing sheet adjacent the opposed ends of the pad assembly.
Claim 5
Dependent Claim
25 words
The pad assembly of claim 2, wherein the strip is secured to the pad intermediate the crotch area and opposed ends of the pad assembly.
Claim 6
Dependent Claim
27 words
The pad assembly of claim 2 wherein the strip is free of attachment to the pad intermediate the crotch area and opposed ends of the pad assembly.
Claim 7
Dependent Claim
23 words
The pad assembly of claim 2 wherein the pad has a pair of opposed ears projecting past a side edge of the strip.
Claim 8
Dependent Claim
21 words
The pad assembly of claim 1 wherein opposed ends of the strip are spaced from opposed ends of the pad assembly.
Claim 9
Dependent Claim
29 words
The pad assembly of claim 1 including an elastic band beneath the strip in the crotch area to produce a gathering of the pad assembly in the crotch area.
Claim 10
Dependent Claim
38 words
The pad assembly of claim 1 including an elastic band located between a side edge of the strip and a side edge of the pad assembly to produce a gathering of the pad assembly in the crotch area.
Claim 11
Dependent Claim
16 words
The pad assembly of claim 1 wherein the pad has a cut-out in the crotch area.
Claim 12
Dependent Claim
22 words
The pad assembly of claim 1 wherein the strip extends to a side edge of the pad assembly in the crotch area.
Claim 13
Dependent Claim
51 words
The pad assembly of claim 11 wherein the pad assembly has a cut-out defining a side edge in the crotch area of the pad assembly, and in which the strip has a cut-out defining a side edge of the strip being generally aligned with the side edge of the pad assembly.
Claim 14
Dependent Claim
22 words
The diaper of claim 11 wherein the strip is secured to the backing sheet adjacent a side edge of the pad assembly.
Claim 15
Dependent Claim
22 words
The diaper of claim 13 wherein the top sheet is secured to the strip adjacent the side edge of the pad assembly.
Claim 16
Dependent Claim
17 words
The diaper of claim 1 wherein the strip has a pair of opposed generally parallel side edges.
Claim 17
Dependent Claim
100 words
A disposable absorbent pad assembly, comprising a backing sheet of fluid impervious material; a top sheet of fluid pervious material; an absorbent pad disposed between the backing sheet and top sheet and an elongated sheet of fluid impervious material disposed intermediate the pad and top sheet, said sheet having lateral side margins extending past opposed side edges of the pad in the crotch area and being secured to the backing sheet in the crotch area, said sheet having a plurality of openings in the crotch area extending therethrough, with the openings being spaced from the side margins of the sheet.
Claim 18
Dependent Claim
100 words
A disposable absorbent pad assembly, comprising a backing sheet of fluid impervious material; a top sheet of fluid pervious material; an absorbent pad disposed between the backing sheet and top sheet and an elongated sheet of fluid impervious material disposed intermediate the pad and top sheet, said sheet having lateral side margins extending past opposed side edges of the pad in the crotch area and being secured to the backing sheet in the crotch area, said sheet having a plurality of openings in the crotch area extending therethrough, with the openings being spaced from the side margins of the sheet.
Claim 19
Dependent Claim
17 words
The pad assembly of claim 16 wherein the sheet extends to opposed ends of the pad assembly.
Claim 20
Dependent Claim
18 words
The pad assembly of claim 16 wherein opposed ends of the sheet are secured to the backing sheet.
Claim 21
Dependent Claim
21 words
The pad assembly of claim 17 wherein the openings extend to a location adjacent the opposed ends of the pad assembly.
Claim 22
Dependent Claim
27 words
The pad assembly of claim 16 including a pair of elastic bands beneath the sheet and producing a gathering of the pad assembly in the crotch area.
Claim 23
Dependent Claim
16 words
The pad assembly of claim 16 wherein the pad has a cut-out in the crotch area.
Claim 24
Dependent Claim
17 words
The pad assembly of claim 16 wherein the pad assembly has a cut-out in the crotch area.
Claim 25
Dependent Claim
29 words
The pad assembly of claim 16 wherein the pad has a plurality of ears projecting past opposed side edges of the sheet in waistband portions of the pad assembly.
References Cited (Backward Citations)
US3994299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-14 | 1992-08-15 | 1993-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-14 | 1996-08-15 | 1997-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-14 | 2000-08-15 | 2001-02-14 | $7700.00 | Window Closed / Lapsed |