US3306293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable diaper
Assignee: Colgate Palmolive Co
•
Filing: 1963-07-31
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Granted: 1967-02-28
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Expires: 1983-07-31
Abstract
No abstract record available.
Inventors
- 👤 Herman L Marder
- 👤 Werner O Tundermann
- 👤 George D Grippo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:44
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/515; A61F13/15203; A61F13/15211; A61F13/53; A61F13/534; A61F13/535; A61F13/539
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A DIAPER INCLUDING A NON WET STRENGTH ABSORBENT CORE, AN ENVELOPE INCLUDING A PAIR OF MEMBERS, SAID MEMBERS ENCASING SAID CORE TO FORM A SUBSTANTIALLY FLATTENED TUBE, SAID TUBE BEING OPEN AT ITS ENDS AND SUBSTANTIALLY LONGER THAN SAID CORE, THE CORRESPONDING LONGITUDINAL MARGINAL EDGES OF SAID ENVELOPE MEMBERS BEING SUBSTANTIALLY IN OVERLAPPED RELATIONSHIP SO THAT WHEN WET THE ENVELOPE MEMBERS ARE HELD TOGETHER AT THE MARGINAL EDGES BY THE SURFACE TENSION OF THE LIQUID THEREBETWEEN, SAID ENVELOPE MEMBERS BEING SECURED TO SAID CORE BUT UNSECURED TO EACH OTHER SO THAT THEY BECOME SEPARATED FROM EACH OTHER WHEN DIPPED IN A TOILET BOWL.
Claim 2
Dependent Claim
103 words
A DIAPER INCLUDING A NON WET STRENGTH ABSORBENT CORE, AN ENVELOPE INCLUDING A PAIR OF MEMBERS, SAID MEMBERS ENCASING SAID CORE TO FORM A SUBSTANTIALLY FLATTENED TUBE, SAID TUBE BEING OPEN AT ITS ENDS AND SUBSTANTIALLY LONGER THAN SAID CORE, THE CORRESPONDING LONGITUDINAL MARGINAL EDGES OF SAID ENVELOPE MEMBERS BEING SUBSTANTIALLY IN OVERLAPPED RELATIONSHIP SO THAT WHEN WET THE ENVELOPE MEMBERS ARE HELD TOGETHER AT THE MARGINAL EDGES BY THE SURFACE TENSION OF THE LIQUID THEREBETWEEN, SAID ENVELOPE MEMBERS BEING SECURED TO SAID CORE BUT UNSECURED TO EACH OTHER SO THAT THEY BECOME SEPARATED FROM EACH OTHER WHEN DIPPED IN A TOILET BOWL.
References Cited (Backward Citations)
US2560332A
Cited
US2649858A
Cited
US2649859A
Cited
US2890700A
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US3071138A
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FR1224201A
Cited
US3106207A
Cited
DK68881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |