US3587409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable diaper products and method of mfg.
Assignee: Individual
•
Filing: 1968-03-06
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Granted: 1971-06-28
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Expires: 1988-03-06
Abstract
Abstract DISPOSABLE DIAPERS AND OTHER PRODUCTS INCLUDING A METHOD OF MANUFACTURE FROM FIBROUS CREPED CELLULOSE MATERIAL WHEREBY MULTIPLE PLIES OF THE MATERIAL ARE RECEIVED TOGETHER WITHOUT ABRASIVE ACTION DISRUPTIVE OF THE FIBROUS SURFACE TEXTURE AND UNDER A TENSION INTERLOCKING THE CREPED SURFACES WHEN RELAXED TO PROVIDE APPRECIABLY HIGHER ABSORPTION AND LATERAL DISPERSION RATES FOR DISSIPATING THE AQUEOUS SOLUTION OF UREA AND PRECLUDING BACTERIAL GROWTH CONDUCTIVE TO AMMONIACAL ODORS AND SKIN IRRITATIONS.
Inventors
- 👤 William E Berge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:08
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/53; A61F13/534; A61F13/537; A61F13/53708; A61F13/53713; A61F13/53717; A61F13/45; A61F13/47; A61F13/539; A61F13/15577; A61F2013/15821; A61F13/49; A61F2013/49068; A61F2013/49076; A61F2013/530131; A61F2013/53445; A61F2013/53721
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |