Patent US4493713A successfully refreshed from Google Patents.
US4493713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Added feature to disposable diapers
Assignee: Individual
•
Filing: 1982-07-22
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Granted: 1985-01-15
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Expires: 2002-07-22
Abstract
Abstract A disposable diaper containing an integral removable bag that provides sanitary storage conditions for the absorbent layer prior to the diaper's use and provides refuge for the soiled diaper by use of a foldover flap that is sealed with a fastening strip.
Inventors
- 👤 Alexander P. Izzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:07
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/551; A61F13/84; A61F2013/8402
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
137 words
A disposable diaper, comprising: an absorbant layer having opposing sides; a backing sheet attached to one side of the absorbant layer; and a removable bag having opposing first and second ends, a storage pouch on one surface thereof, and retained onto the opposite side of said absorbant layer so as to cover said absorbant layer and have said absorbant layer sandwiched between said backing sheet and said bag, said bag being attached to said backing sheet by said first and second ends with said pouch facing said absorbant layer, whereby said bag must be separated from the absorbant layer and removed to expose said absorbant layer for application of the diaper onto a person, said bag once removed now being available for disposal into the storage pouch of said bag of a diaper which is now soiled.
Claim 2
Dependent Claim
137 words
A disposable diaper, comprising: an absorbant layer having opposing sides; a backing sheet attached to one side of the absorbant layer; and a removable bag having opposing first and second ends, a storage pouch on one surface thereof, and retained onto the opposite side of said absorbant layer so as to cover said absorbant layer and have said absorbant layer sandwiched between said backing sheet and said bag, said bag being attached to said backing sheet by said first and second ends with said pouch facing said absorbant layer, whereby said bag must be separated from the absorbant layer and removed to expose said absorbant layer for application of the diaper onto a person, said bag once removed now being available for disposal into the storage pouch of said bag of a diaper which is now soiled.
Claim 3
Dependent Claim
35 words
The disposable diaper as in claim 1, wherein said removable bag is adjacent to said absorbant layer whereby the absorbant layer is kept sanitary by the presence of said bag prior to the diaper's use.
Claim 4
Dependent Claim
35 words
The disposable diaper as in claim 2, wherein said removable bag has perforations at said first end and said second end whereby allowing its removal from said backing sheet when it is to be utilized.
Claim 5
Dependent Claim
33 words
The disposable diaper as in claim 3, wherein said removable bag has a flap on said first end whereby said removable bag can be covered subsequent to the installation of a soiled diaper.
Claim 6
Dependent Claim
28 words
The disposable diaper as in claim 4, wherein said flap of said removable bag contains a means for sealing said flap after it is folded over said pouch.
Claim 7
Dependent Claim
17 words
The disposable diaper as in claim 5, wherein said means for sealing is loop pile fastener strip.
Claim 8
Dependent Claim
18 words
The disposable diaper as in claim 5, wherein said means for sealing is a pressure sensitive adhesive strip.
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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) | 1988-01-15 | 1988-07-16 | 1989-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-15 | 1992-07-16 | 1993-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-15 | 1996-07-16 | 1997-01-15 | $7700.00 | Window Closed / Lapsed |