US3978861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable diaper with end flap means and method
Assignee: Colgate Palmolive Co
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Filing: 1975-09-15
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Granted: 1976-09-07
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Expires: 1995-09-15
Abstract
Abstract A disposable diaper having an absorbent pad, a fluid impervious backing sheet defining a back surface of the diaper, a front surface, and a plurality of longitudinally extending folds defining a box-pleat configuration of the diaper. An end flap of the box-pleat diaper is folded over the front surface of the diaper, and means is provided for retaining a least a portion of the front surface of the flap against the underlying front surface of the box-pleat diaper.
Inventors
- 👤 Charles H. Schaar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:55
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/494; A61F13/49466; A61F13/49001; A61F13/56; A61F13/58
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
127 words
A disposable diaper, comprising: an absorbent pad, a liquid impervious backing sheet defining a back surface of the diaper, a front surface, a pair of side edges, a pair of end edges connecting the side edges, with said backing sheet extending to at least one end edge of the diaper, an end flap of the backing sheet adjacent said one end edge, said end flap being folded over the diaper with the front surface of the end flap facing the front surface of the diaper adjacent the end flap, and means for securing laterally spaced portions of said end flap to the front surface of the diaper to permit portions of the flap intermediate the securing means to gap away from the front surface of the diaper.
Claim 2
Dependent Claim
127 words
A disposable diaper, comprising: an absorbent pad, a liquid impervious backing sheet defining a back surface of the diaper, a front surface, a pair of side edges, a pair of end edges connecting the side edges, with said backing sheet extending to at least one end edge of the diaper, an end flap of the backing sheet adjacent said one end edge, said end flap being folded over the diaper with the front surface of the end flap facing the front surface of the diaper adjacent the end flap, and means for securing laterally spaced portions of said end flap to the front surface of the diaper to permit portions of the flap intermediate the securing means to gap away from the front surface of the diaper.
Claim 3
Dependent Claim
30 words
The diaper of claim 1 wherein said diaper has a plurality of longitudinal folds extending through said end edges and end flap and defining a box-pleat configuration of the diaper.
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) | 1979-09-07 | 1980-03-08 | 1980-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-07 | 1984-03-08 | 1984-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-07 | 1988-03-08 | 1988-09-07 | $7700.00 | Window Closed / Lapsed |