Patent US4842594A successfully refreshed from Google Patents.
US4842594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorbent article with internal wicking means
Assignee: JPMorgan Chase Bank NA
•
Filing: 1988-02-03
•
Granted: 1989-06-27
•
Expires: 2008-02-03
Abstract
Abstract An absorbent article comprising at least two discrete superabsorbent containing layers and a wicking means extending about and between the superabsorbent containing layers.
Inventors
- 👤 Irving S. Ness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:08
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/53; A61F13/534; A61F13/53409; A61F13/53427; A61F13/537; A61F13/53743; B; B32; B32B; B32B5/00; B32B5/22; A61F13/15203; A61F2013/15284; A61F2013/15487; A61F2013/530131; A61F2013/530335; A61F2013/530343; A61F2013/53035; A61F2013/530481; A61F2013/530802; A61F2013/53445; A61F13/53708; A61F2013/53721; A61F2013/53765; A61F2013/53786
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
73 words
An absorbent article comprising a first discrete superabsorbent containing layer, a second discrete superabsorbent containing layer, and a continuous wicking means extending about and between said first and second discrete superabsorbent containing layers, each of said layers having a pair of major surfaces and a pair of side edges, the major surfaces and at least one side edge of each of said discrete superabsorbent containing layers being in contact with said wicking means.
Claim 2
Dependent Claim
73 words
An absorbent article comprising a first discrete superabsorbent containing layer, a second discrete superabsorbent containing layer, and a continuous wicking means extending about and between said first and second discrete superabsorbent containing layers, each of said layers having a pair of major surfaces and a pair of side edges, the major surfaces and at least one side edge of each of said discrete superabsorbent containing layers being in contact with said wicking means.
Claim 3
Dependent Claim
29 words
An absorbent article according to claim 1 wherein said wicking means comprises a wicking layer and a fluid transfer means between the wicking layer and each superabsorbent containing layer.
Claim 4
Dependent Claim
24 words
An absorbent article according to claim 2 wherein said fluid transfer means provides a higher capillary pressure than that provided by said wicking layer.
References Cited (Backward Citations)
US810135A
Cited
DE1492430A1
Cited
US3375827A
Cited
NL6707397A
Cited
US3468311A
Cited
US3838693A
Cited
US4014338A
Cited
NL7701851A
Cited
US4232674A
Cited
US4251643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-06-26 | 1992-12-26 | 1993-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-26 | 1996-12-26 | 1997-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-26 | 2000-12-26 | 2001-06-27 | $7700.00 | Window Closed / Lapsed |