US3180335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable diaper
Assignee: Procter and Gamble Co
•
Filing: 1961-07-17
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Granted: 1965-04-27
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Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Robert C Duncan
- 👤 Norman L Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:48
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/494; A61F13/49406; A61F13/49413; A61F13/49426; A61F13/49001; A61F13/53; A61F13/539; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/62; B; B29; B29C; B29C65/00; B29C65/48; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/135; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/433; B29C66/70; B29C66/72; B29C66/723; B29C66/7232; B29C66/72327; B29C66/72328; B29C66/7234; B29C66/72343; B29C66/73; B29C66/739; B29C66/7392; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91411; B29C66/91441; B29C66/91443; B29C66/91445; B32; B32B; B32B27/00; A61F13/15203; A61F13/15211; A61F13/534; A61F13/56; A61F13/58; A61F2013/49068; A61F2013/49076; A61F13/51; A61F13/514; A61F13/51401; A61F2013/51409; A61F2013/53445; A61F2013/53908; A61F2013/586; B29C65/4805; B29C65/481; B29C65/482; B29C65/4825; B29C66/71; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2023/0608; B29K2023/0633; B29K2023/10; B29K2023/12; B29K2105/00; B29K2105/0005; B29K2105/0097; B29K2995/00; B29K2995/0037; B29K2995/0039; B29L; B29L2031/00; B29L2031/48; B29L2031/4871; B29L2031/4878; Y; Y10; Y10T; Y10T428/00; Y10T428/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A DISPOSABLE DIAPER COMPRISING A THIN FLEXIBLE BACK SHEET OF WATERPROOF MATERIAL HAVING AN ABSORBENT PAD SUPERPOSED THEREON, SAID BACK SHEET HAVING A WIDTH EXCEEDING THAT OF SAID PAD SO AS TO PROVIDE OPPOSITELY DISPOSED SIDE FLAPS, THE PAD AND UNDERLYING BACK SHEET BEING FORMED INTO A BOX PLEAT CONFIGURATION BY MEANS OF A MULTIPLICITY OF LONGITUDINAL FOLDS DEFINING DIAPER SECTIONS COMPRISING THE PLEAT, THE SIDE FLAPS BEING FOLDED INWARDLY SO AS TO ENCLOSE THE SIDE EDGES OF SAID PAD AND OVERLIE THE OUTERMOST AREA OF THE UPPERMOST SECTIONS OF TH E PLEAT WHILE LEAVING THE INNERMOST AREAS THEREOF UNCOVERED SO AS TO EXPOSE PORTIONS OF SAID ABSORBENT PAD, WHEREBY WHEN APPLIED TO AN INFANT SAID DIAPER SUBSTANTIALLY ELIMINATES WASTE FLUID LEAKAGE AROUND THE LEG CONFORMING PORTIONS THEREOF.
Claim 2
Dependent Claim
128 words
A DISPOSABLE DIAPER COMPRISING A THIN FLEXIBLE BACK SHEET OF WATERPROOF MATERIAL HAVING AN ABSORBENT PAD SUPERPOSED THEREON, SAID BACK SHEET HAVING A WIDTH EXCEEDING THAT OF SAID PAD SO AS TO PROVIDE OPPOSITELY DISPOSED SIDE FLAPS, THE PAD AND UNDERLYING BACK SHEET BEING FORMED INTO A BOX PLEAT CONFIGURATION BY MEANS OF A MULTIPLICITY OF LONGITUDINAL FOLDS DEFINING DIAPER SECTIONS COMPRISING THE PLEAT, THE SIDE FLAPS BEING FOLDED INWARDLY SO AS TO ENCLOSE THE SIDE EDGES OF SAID PAD AND OVERLIE THE OUTERMOST AREA OF THE UPPERMOST SECTIONS OF TH E PLEAT WHILE LEAVING THE INNERMOST AREAS THEREOF UNCOVERED SO AS TO EXPOSE PORTIONS OF SAID ABSORBENT PAD, WHEREBY WHEN APPLIED TO AN INFANT SAID DIAPER SUBSTANTIALLY ELIMINATES WASTE FLUID LEAKAGE AROUND THE LEG CONFORMING PORTIONS THEREOF.
References Cited (Backward Citations)
US1971671A
Cited
US2571577A
Cited
US2890700A
Cited
US2829647A
Cited
US2788786A
Cited
US2905176A
Cited
US2896626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |