US3890973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary diaper
Assignee: DAVIS ALWYN K
•
Filing: 1973-06-29
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Granted: 1975-06-24
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Expires: 1993-06-29
Abstract
Abstract A folded disposable diaper having an inner absorbent layer and an outer impervious layer both of pliant material with an opening through the absorbent layer for the passage of excretion into a pouch formed by or affixed to the overlying impervious layer, the diaper to be worn by an infant as a garment and having straps that tighten the diaper around the leg openings and tied at the anterior of the infant so as to adjust the diaper as may be desired.
Inventors
- 👤 Alwyn K Davis
- 👤 John Ward A St
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:45
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/495
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
60 words
A sanitary diaper having an inner absorbent layer and a contiguously overlying and impervious outer layer, and including a normally closed slit-shaped excrement diverting opening through the inner absorbent layer to be spread by and to pass fluid excrement from the interior to the exterior of the inner absorbent layer for containment within the confines of said impervious outer layer.
Claim 2
Dependent Claim
60 words
A sanitary diaper having an inner absorbent layer and a contiguously overlying and impervious outer layer, and including a normally closed slit-shaped excrement diverting opening through the inner absorbent layer to be spread by and to pass fluid excrement from the interior to the exterior of the inner absorbent layer for containment within the confines of said impervious outer layer.
Claim 3
Dependent Claim
25 words
The sanitary diaper as set forth in claim 1 wherein the said impervious outer layer is translucent for visibly showing the containment of excrement thereby.
Claim 4
Dependent Claim
32 words
The sanitary diaper as set forth in claim 1 wherein the opening through the inner absorbent layer is positioned at the discharge of excrement when the diaper is worm as a garment.
Claim 5
Dependent Claim
28 words
The sanitary diaper as set forth in claim 1 wherein the excrement diverting opening extends rearwardly from the crotch area when the diaper is worn as a garment.
Claim 6
Dependent Claim
75 words
A sanitary diaper having an inner absorbent layer and a contiguously overlying and imperVious outer layer, and including; a normally closed slit-shaped excrement diverting opening through the inner absorbent layer to be spread by and to pass fluid excrement from the interior to the exterior of the inner absorbent layer, and a chamber means at the exterior of the inner absorbent layer for receiving and containing said fluid excrement passed through said excrement diverting opening.
Claim 7
Dependent Claim
75 words
A sanitary diaper having an inner absorbent layer and a contiguously overlying and imperVious outer layer, and including; a normally closed slit-shaped excrement diverting opening through the inner absorbent layer to be spread by and to pass fluid excrement from the interior to the exterior of the inner absorbent layer, and a chamber means at the exterior of the inner absorbent layer for receiving and containing said fluid excrement passed through said excrement diverting opening.
Claim 8
Dependent Claim
25 words
The sanitary diaper as set forth in claim 5 wherein the chamber means is a pocket overlying the absorbent layer and the diverting opening therethrough.
Claim 9
Dependent Claim
30 words
The sanitary diaper as set forth in claim 5 wherein the chamber means is a pocket of said impervious layer overlying the absorbent layer and the excrement diverting opening therethrough.
Claim 10
Dependent Claim
44 words
The sanitary diaper as set forth in claim 5 wherein the chamber means is a pocket of said impervious layer overlying the absorbent layer and the excrement diverting opening therethrough, said impervious outer layer being translucent for visibly showing the containment of excrement thereby.
Claim 11
Dependent Claim
35 words
The sanitary diaper as set forth in claim 5 wherein the chamber means is a pocket attachment of said impervious layer to said absorbent layer and overlying the same and the excrement diverting opening therethrough.
Claim 12
Dependent Claim
37 words
the sanitary diaper as set forth in claim 5 wherein the chamber means is a pocket attachment of said impervious layer to said absorbent layer and encircling and overlying the same and the excrement diverting opening therethrough.
Claim 13
Dependent Claim
34 words
The sanitary diaper as set forth in claim 5 wherein the chamber means is a pocket encirclement attaching the impervious layer to said absorbent layer around the same and the excrement diverting opening therethrough.
Claim 14
Dependent Claim
31 words
The sanitary diaper as set forth in claim 5 wherein the chamber means is a pocket encirclement by a seam of joinder to the impervious layer surrounding the excrement diverting opening.
Claim 15
Dependent Claim
75 words
A sanitary diaper having an inner absorbent layer and a contiguously overlying and impervious outer layer and including; a normally closed slit-shaped excrement diverting opening through the inner absorbent layer to be spread by and to pass fluid excrement from the interior to the exterior thereof, and a chamber means overlying the excrement diverting opening at the exterior of the inner absorbent layer for receiving and containing said fluid excrement passed through said diverting means.
Claim 16
Dependent Claim
75 words
A sanitary diaper having an inner absorbent layer and a contiguously overlying and impervious outer layer and including; a normally closed slit-shaped excrement diverting opening through the inner absorbent layer to be spread by and to pass fluid excrement from the interior to the exterior thereof, and a chamber means overlying the excrement diverting opening at the exterior of the inner absorbent layer for receiving and containing said fluid excrement passed through said diverting means.
Claim 17
Dependent Claim
30 words
The sanitary diaper as set forth in claim 13, wherein the chamber means is a pocket of said impervious layer overlying the absorbent layer and the excrement diverting opening therethrough.
Claim 18
Dependent Claim
30 words
The sanitary diaper as set forth in claim 13 wherein the chamber means is a pocket attachment of said impervious layer to said absorbent layer and encircling the slit-shaped opening.
Claim 19
Dependent Claim
58 words
The sanitary diaper as set forth in claim 13 wherein the excrement diverting opening extends rearwardly from the crotch area when the diaper is worn as a garment, and wherein the chamber means is a pocket attachment of said impervious layer to said absorbent layer and encircling and overlying the absorbent layer and the excrement diverting opening therethrough.
Claim 20
Dependent Claim
50 words
The sanitary diaper as set forth in claim 13 wherein the excrement diverting opening extends rearwardly from the crotch area when the diaper is worn as a garment, and wherein the chamber means is a pocket encirclement attaching the impervious layer to said absorbent layer around the excrement diverting opening.
Claim 21
Dependent Claim
51 words
The sanitary diaper as set forth in claim 13, wherein the excrement diverting opening extends rearwardly from the crotch area when the diaper is worn as a garment, and wherein the chamber means is a pocket encirclement by a seam of joinder to the impervious layer surrounding the excrement diverting opening.
Claim 22
Dependent Claim
88 words
A sanitary diaper having initially pleated inner absorbent and contiguous outer impervious and normally detached layers, with opposite inwardly folded side margins outwardly refolded along the center of the diaper and each having eDges at the opposite sides of the diaper respectively, and including; a normally closed slit-shaped excrement diverting opening in the center of the absorbent layer to be spread by and to pass fluid excrement from the interior to the exterior of the inner absorbent layer for containment within the confines of said impervious outer layer.
Claim 23
Dependent Claim
88 words
A sanitary diaper having initially pleated inner absorbent and contiguous outer impervious and normally detached layers, with opposite inwardly folded side margins outwardly refolded along the center of the diaper and each having eDges at the opposite sides of the diaper respectively, and including; a normally closed slit-shaped excrement diverting opening in the center of the absorbent layer to be spread by and to pass fluid excrement from the interior to the exterior of the inner absorbent layer for containment within the confines of said impervious outer layer.
Claim 24
Dependent Claim
28 words
The sanitary diaper as set forth in claim 1 wherein the excrement diverting opening extends rearwardly from the crotch area when the diaper is worn as a garment.
References Cited (Backward Citations)
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US2532029A
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US2466184A
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US3180335A
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US3729004A
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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) | 1978-06-23 | 1978-12-23 | 1979-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-23 | 1982-12-23 | 1983-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-23 | 1986-12-23 | 1987-06-24 | $7700.00 | Window Closed / Lapsed |