US3572342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaper
Assignee: Johnson and Johnson
•
Filing: 1968-01-19
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Granted: 1971-03-23
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Expires: 1988-01-19
Abstract
Abstract DIAPERS ARE PREPARED IN WHICH A SEAL IS PROVIDED BETWEEN THE SURFACE OF THE DIAPER AND THE BODY OF THE INFANT WEARING THE SAME TO PREVENT LEAKAGE BETWEEN THE DIAPER AND THE INFANT. THE SEAL IS FORMED OF RESILIENT HYDROPHOBIC POLYMER FOAM WHICH IS SECURED TO THE UPPER SURFACE OF THE DIAPER. BY PLACING HYDROPHOBIC RESILIENT STRIPS ALONG EACH SIDE OF THE DIAPER ON THE SURFACE WHICH IS ADJACENT THE CHILD WHEN THE DIAPER IS IN PLACE LEAKAGE FROM THE EDGE OF THE DIAPER IS CONTROLLED.
Inventors
- 👤 Julius Lindquist
- 👤 Robert J Trewella
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:51
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/494; A61F13/49406; A61F13/49413; A61F13/4942
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) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |