Patent US4433972A successfully refreshed from Google Patents.
US4433972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary napkin
Assignee: Individual
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Filing: 1981-06-01
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Granted: 1984-02-28
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Expires: 2001-06-01
Abstract
Abstract A sanitary napkin comprising a backing sheet and a face sheet having an absorbent pad assembly sandwiched therebetween. The pad assembly includes two pads, there being a relatively large pad of wood fluff or like absorbent material, and a substantially diamond shape second pad of lesser dimensions seated on said first pad for transmitting fluid thereto. The second pad is impregnated with a germicide.
Inventors
- 👤 Amanda Malfitano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:57
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/47; A61F13/472; A61F13/47218; A61F13/47227; A61F13/84; A61F13/8405; A61F13/53; A61F13/534; A61F13/51; A61F13/514; A61F13/51401; A61F2013/51409; A61F2013/530131; A61F2013/530802; A61F2013/53445; A61F2013/8408; A61F2013/8414
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
130 words
A sanitary napkin comprising an absorbent pad assembly, including a first absorbent pad for underlying the crotch area of the user, and a second absorbent pad of lesser fluid retention ability and of a size to permit partial penetration of a vaginal orifice disposed on said first pad for immediate contact with the genital area of the user, said second pad conforming generally to the contour of the genital area of the user, said second pad being thicker and wider at its center forming an apex, said first pad being hourglass shaped to assist the penetration of the vaginal orifice by said second pad, and having a width at its narrowest point at the crotch area substantially the same as the width of the widest portion of said second pad.
Claim 2
Dependent Claim
130 words
A sanitary napkin comprising an absorbent pad assembly, including a first absorbent pad for underlying the crotch area of the user, and a second absorbent pad of lesser fluid retention ability and of a size to permit partial penetration of a vaginal orifice disposed on said first pad for immediate contact with the genital area of the user, said second pad conforming generally to the contour of the genital area of the user, said second pad being thicker and wider at its center forming an apex, said first pad being hourglass shaped to assist the penetration of the vaginal orifice by said second pad, and having a width at its narrowest point at the crotch area substantially the same as the width of the widest portion of said second pad.
Claim 3
Dependent Claim
16 words
A sanitary napkin according to claim 1, wherein said second pad is impregnated with a germicide.
Claim 4
Dependent Claim
17 words
A sanitary napkin according to claim 1, wherein said second pad is of a substantially diamond shape.
Claim 5
Dependent Claim
20 words
A sanitary napkin according to claim 3, wherein said second pad is impregnated with a substance for preventing bacterial growth.
Claim 6
Dependent Claim
20 words
A sanitary napkin according to claim 4, wherein said sanitary pad assembly includes a backing sheet of a waterproof material.
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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) | 1987-02-27 | 1987-08-29 | 1988-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-02-27 | 1991-08-29 | 1992-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-02-27 | 1995-08-29 | 1996-02-28 | $7700.00 | Window Closed / Lapsed |