Patent US4475913A successfully refreshed from Google Patents.
US4475913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary napkin with soft edges
Assignee: Kimberly Clark Worldwide Inc
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Filing: 1982-07-06
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Granted: 1984-10-09
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Expires: 2002-07-06
Abstract
Abstract A sanitary napkin as provided with an absorbent batt folded along the longitudinal edges to provide a soft surface abutting the wearer's legs. The folded portion of the batt is cut away to produce a cavity on the bottom portion; with the cavity having garment attachment adhesive positioned therein.
Inventors
- 👤 James J. Hlaban
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:12
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/53; A61F13/534; A61F13/53409; A61F13/53418; A61F13/45; A61F13/47; A61F13/4704; A61F13/472; A61F13/56; A61F13/5605; A61F13/5611; A61F13/539; A61F13/58; A61F2013/4708; A61F13/51; A61F13/514; A61F13/51401; A61F2013/51409; A61F2013/530437; A61F2013/530481; A61F2013/5395; A61F2013/582
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
81 words
A sanitary napkin comprising an absorbent batt, a fluid pervious cover coterminous with said batt, said batt folded over along its longitudinal sides to provide a double thickness at the bottom of each side portion; said double thickness portions spaced from each other defining a centrally located cavity, a fluid impervious baffle extending at least over said cavity and comforming thereto and said bottom side portions; and in intimate contact therewith and a pressure sensitive adhesive pattern positioned within said cavity.
Claim 2
Dependent Claim
81 words
A sanitary napkin comprising an absorbent batt, a fluid pervious cover coterminous with said batt, said batt folded over along its longitudinal sides to provide a double thickness at the bottom of each side portion; said double thickness portions spaced from each other defining a centrally located cavity, a fluid impervious baffle extending at least over said cavity and comforming thereto and said bottom side portions; and in intimate contact therewith and a pressure sensitive adhesive pattern positioned within said cavity.
Claim 3
Dependent Claim
22 words
A sanitary napkin according to claim 1 wherein said cavity is not greater than about 60% of the area of said bottom.
Claim 4
Dependent Claim
16 words
The sanitary napkin according to claim 1 or 2 wherein the absorbent batt contains thermoplastic fibers.
Claim 5
Dependent Claim
26 words
The sanitary napkin according to claim 1, 2, or 3 wherein the absorbent batt is an air laid blend of wood pulp fiber and thermoplastic microfibers.
Claim 6
Dependent Claim
23 words
The sanitary napkin according to claim 1, 2, or 3 wherein the thickness of the absorbent batt is between 0.2 and 0.5 inches.
Claim 7
Dependent Claim
32 words
The sanitary napkin according to claim 1, 2, or 3 wherein the cavity has a layer of adhesive extending under the absorbent batt but terminating prior to the ends of the napkin.
Claim 8
Dependent Claim
13 words
The sanitary napkin according to claim 1 wherein an absorbent additive is present.
Claim 9
Dependent Claim
87 words
A sanitary napkin comprising an absorbent batt, a fluid pervious cover coterminous with said batt, said batt folded over along its longitudinal sides to provide a double thickness at the bottom of each side portion; said double thickness portions spaced from each other defining a centrally located cavity, a fluid impervious baffle extending at least over said cavity and conforming thereto and said bottom side portions; and in intimate contact therewith and two adhesive strips with each strip abutting the bottom edge of the folded, baffle-covered absorbent.
Claim 10
Dependent Claim
87 words
A sanitary napkin comprising an absorbent batt, a fluid pervious cover coterminous with said batt, said batt folded over along its longitudinal sides to provide a double thickness at the bottom of each side portion; said double thickness portions spaced from each other defining a centrally located cavity, a fluid impervious baffle extending at least over said cavity and conforming thereto and said bottom side portions; and in intimate contact therewith and two adhesive strips with each strip abutting the bottom edge of the folded, baffle-covered absorbent.
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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) | 1987-10-09 | 1988-04-09 | 1988-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-09 | 1992-04-09 | 1992-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-09 | 1996-04-09 | 1996-10-09 | $7700.00 | Window Closed / Lapsed |