US4738675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable diaper
Assignee: Kendall Co
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Filing: 1987-02-06
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Granted: 1988-04-19
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Expires: 2007-02-06
Abstract
Abstract A disposable diaper comprising, a fluid impervious back sheet, a fluid pervious front sheet, a first absorbent pad adjacent the front sheet and comprising a loosely formed fibrous mass, and a separate second absorbent pad between the first pad and the back sheet, with the second pad comprising a mass of fibers having compressed regions extending throughout a substantial part of the second pad and having relatively uncompressed areas adjacent the regions, with the regions being spaced from opposed side edges of the second pad.
Inventors
- 👤 Mary E. Buckley
- 👤 Hamzeh Karami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:58
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/4401; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/49007; A61F13/49009; A61F2013/49068; A61F2013/49076; A61F13/51; A61F13/514; A61F13/51401; A61F2013/51409; A61F13/53; A61F13/534; A61F2013/53445; A61F13/537; A61F13/53708; A61F2013/53721; A61F13/539; A61F2013/53908
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
83 words
A disposable diaper comprising, a fluid impervious back sheet, a fluid pervious front sheet, a first absorbent pad adjacent the front sheet and comprising a loosely formed fibrous mass, and a separate second absorbent pad between the first pad and the back sheet, the second pad comprising a mass of fibers having compressed regions extending throughout a substantial part of the second pad and having relatively uncompressed areas adjacent the regions, said regions being spaced from opposed side edges of the second pad.
Claim 2
Dependent Claim
83 words
A disposable diaper comprising, a fluid impervious back sheet, a fluid pervious front sheet, a first absorbent pad adjacent the front sheet and comprising a loosely formed fibrous mass, and a separate second absorbent pad between the first pad and the back sheet, the second pad comprising a mass of fibers having compressed regions extending throughout a substantial part of the second pad and having relatively uncompressed areas adjacent the regions, said regions being spaced from opposed side edges of the second pad.
Claim 3
Dependent Claim
12 words
The diaper of claim 1 wherein the regions comprise lines of embossing.
Claim 4
Dependent Claim
29 words
The diaper of claim 1 wherein the regions are spaced approximately 1/2 inch from the side edges of the second pad in the crotch region of the second pad.
Claim 5
Dependent Claim
27 words
The diaper of claim 1 wherein the regions comprise a plurality of generally parallel lines extending at least substantially between opposed end edges of the second pad.
Claim 6
Dependent Claim
30 words
The diaper of claim 1 including a pair of elastic members located adjacent the side edges of the second pad in at least the crotch region of the second pad.
Claim 7
Dependent Claim
20 words
The diaper of claim 1 wherein the first and second pads have cut-outs in the crotch region of the pads.
Claim 8
Dependent Claim
71 words
A disposable diaper comprising, a fluid impervious back sheet, a fluid pervious front sheet, a first absorbent pad adjacent the front sheet and comprising a loosely formed fibrous mass, and a separate second absorbent pad between the first pad and the back sheet, the second pad comprising a mass of fibers having a plurality of generally parallel compressed regions extending at least substantially between opposed end edges of the second pad.
Claim 9
Dependent Claim
71 words
A disposable diaper comprising, a fluid impervious back sheet, a fluid pervious front sheet, a first absorbent pad adjacent the front sheet and comprising a loosely formed fibrous mass, and a separate second absorbent pad between the first pad and the back sheet, the second pad comprising a mass of fibers having a plurality of generally parallel compressed regions extending at least substantially between opposed end edges of the second pad.
Claim 10
Dependent Claim
18 words
The diaper of claim 7 wherein the regions extend completely between the end edges of the second pad.
Claim 11
Dependent Claim
12 words
The diaper of claim 7 wherein the regions comprise lines of embossing.
Claim 12
Dependent Claim
17 words
The diaper of claim 7 wherein the regions are spaced from side edges of the second pad.
Claim 13
Dependent Claim
30 words
The diaper of claim 7 including a pair of elastic members located adjacent the side edges of the second pad in at least the crotch region of the second pad.
Claim 14
Dependent Claim
20 words
The diaper of claim 7 wherein the first and second pads have cut-outs in the crotch region of the pads.
Claim 15
Dependent Claim
23 words
The diaper of claim 1 wherein the compressed regions define recesses spaced from both a lower and upper surface of the second pad.
Claim 16
Dependent Claim
23 words
The diaper of claim 7 wherein the compressed regions define recesses spaced from both a lower and upper surface of the second pad.
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) | 1991-04-19 | 1991-10-19 | 1992-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-04-19 | 1995-10-19 | 1996-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-04-19 | 1999-10-19 | 2000-04-19 | $7700.00 | Window Closed / Lapsed |