US3926191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable diaper having adhesive tabs and release strips therefor permanently attached at marginal edges of diaper
Assignee: Johnson and Johnson
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Filing: 1974-11-20
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Granted: 1975-12-16
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Expires: 1994-11-20
Abstract
Abstract A disposable diaper adhesive closure means is provided having an adhesive tab protected by a releasable cover strip permanently attached to the diaper, thus eliminating the need for disposal of the cover strip by the consumer when the diaper is applied.
Inventors
- 👤 Ludwig Tritsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:53
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/56; A61F13/58
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
133 words
In combination with a disposable diaper having an inside surface for direction toward an infant when the diaper is worn by that infant and an outside surface for direction away from said infant and provided with a moisture-retaining layer and a moisture-impervious backing sheet, an improved adhesive tab having a fixed end secured to said backing sheet on the outside surface of the diaper and at a marginal location thereof, and an outwardly extending free end provided with a tacky surface facing in the same direction as said inside surface; and a cover strip provided with a release coating on one surface thereof, releasably attached to, and covering said tacky surface; said cover strip extending longitudinally beyond said tacky surface and being permanently attached to said backing sheet at a marginal location thereof.
Claim 2
Dependent Claim
133 words
In combination with a disposable diaper having an inside surface for direction toward an infant when the diaper is worn by that infant and an outside surface for direction away from said infant and provided with a moisture-retaining layer and a moisture-impervious backing sheet, an improved adhesive tab having a fixed end secured to said backing sheet on the outside surface of the diaper and at a marginal location thereof, and an outwardly extending free end provided with a tacky surface facing in the same direction as said inside surface; and a cover strip provided with a release coating on one surface thereof, releasably attached to, and covering said tacky surface; said cover strip extending longitudinally beyond said tacky surface and being permanently attached to said backing sheet at a marginal location thereof.
Claim 3
Dependent Claim
29 words
The combination in accordance with claim 1 wherein that portion of the cover strip which extends longitudinally beyond said tacky surface is flat and provides a grippable end tab.
Claim 4
Dependent Claim
29 words
The combination in accordance with claim 1 wherein that portion of the cover strip which extends longitudinally beyond said tacky surface is coiled and provides a grippable end tab.
Claim 5
Dependent Claim
23 words
The combination in accordance with claim 1 wherein said cover strip is curlable and forms a coil upon lifting from said tacky surface.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-15 | 1979-06-16 | 1979-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-15 | 1983-06-16 | 1983-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-15 | 1987-06-16 | 1987-12-16 | $7700.00 | Window Closed / Lapsed |