US3828784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conformable baby diaper
Assignee: Kendall Co
•
Filing: 1972-08-21
•
Granted: 1974-08-13
•
Expires: 1992-08-21
Abstract
Abstract A diaper is micropleated along a portion or all of its borders to shape the diaper for better conformability when applied to an infant and provide extensibility along at least the side portions to provide a fit for various leg sizes and reduce the likelihood of leakage between the legs and the encircling diaper portion.
Inventors
- 👤 R Zoephel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:45
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/494; A61F13/49406; A61F13/49007; A61F13/49009; A61F13/49017
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
69 words
A disposable diaper comprising a multi-layer generally inextensible composite of absorbent and non-absorbent sheet material having portions along its opposite marginal sides in the crotch area secured together to define side edges of the diaper, said edges being transversely only mechanically comPacted providing extensible borders encircling the legs of a wearer when said diaper is worn said compacted edges being foreshortened and dishing the diaper into a bowl-like shape.
Claim 2
Dependent Claim
69 words
A disposable diaper comprising a multi-layer generally inextensible composite of absorbent and non-absorbent sheet material having portions along its opposite marginal sides in the crotch area secured together to define side edges of the diaper, said edges being transversely only mechanically comPacted providing extensible borders encircling the legs of a wearer when said diaper is worn said compacted edges being foreshortened and dishing the diaper into a bowl-like shape.
Claim 3
Dependent Claim
20 words
A diaper as claimed in claim 1 wherein the composite includes stretchable plastic film and the pleated borders have elasticity.
Claim 4
Dependent Claim
22 words
A diaper as claimed in claim 1 wherein the pleated portion of the diaper presents between 20 and 100 pleats per inch.
Claim 5
Dependent Claim
19 words
A diaper as claimed in claim 1 wherein the pleats have amplitudes varying from 0.003 inches to 0.06 inches.
Claim 6
Dependent Claim
21 words
A diaper as claimed in claim 1 wherein the pleated side edge portions are compacted from 5-40 percent by the pleats.
Claim 7
Dependent Claim
61 words
A disposable diaper comprising a multi-layer generally inextensible composite of absorbent and non-absorbent sheet material having portions along its opposite marginal side edges in the crotch area transversely only compacted to provide extensible pleated borders encircling the legs of a wearer when said diaper is worn, the pleats pinching in the side edges and narrowing the diaper in the crotch area.
Claim 8
Dependent Claim
61 words
A disposable diaper comprising a multi-layer generally inextensible composite of absorbent and non-absorbent sheet material having portions along its opposite marginal side edges in the crotch area transversely only compacted to provide extensible pleated borders encircling the legs of a wearer when said diaper is worn, the pleats pinching in the side edges and narrowing the diaper in the crotch area.
References Cited (Backward Citations)
US2905581A
Cited
US2866459A
Cited
US3245407A
Cited
US3315676A
Cited
US3587409A
Cited
US3636952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |