US3221738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for manufacturing diapers and the like, and a diaper manufactured in accordance with this method
Assignee: Individual
•
Filing: 1963-04-01
•
Granted: 1965-12-07
•
Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 Gustaf E Ekberg
- 👤 Green Tord David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:20
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/511; A61F13/512; A61F13/15577; A61F13/51104; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A DIAPER OR SIMILAR PROTECTIVE GARMENT COMPRISING, A PAIR OF RELATIVELY THIN SHEETS OF THERMOPLASTIC MATERIAL JOINED TOGETHER AND SEALED AT THEIR MARGINAL EDGES TO PROVIDE A POCKET BETWEEN THEM, A CORE OF LIQUID ADSORBING MATERIAL DISPOSED IN SAID POCKET BETWEEN THE SHEETS, ONE OF SAID SHEETS BEING LIQUID IMPERMEABLE AND ADAPTED TO BE DISPOSED OUTWARDLY FROM THE USER, THE OTHER OF SAID PLASTIC SHEETS AT LEAST IN THE AREA OF SAID CORE COMPRISING AN EMBOSSED NETWORK OF WATER IMPERMEABLE PLASTIC MATERIAL ADAPTED TO BE DISPOSED INWARDLY TOWARD THE USER, SAID NETWORK BEING DEFINED BY A PLURALITY OF SPACED APART AREAS IN THE PLASTIC SHEET WHICH ARE LIQUID PENETRABLE, EACH OF SAID SPACED APART AREAS HAVING A PLURALITY OF MINUTE PERFORATIONS DISTRIBUTED THROUGHOUT SAID AREA, SAID NETWORK PROVIDING STRUCTURAL STRENGTH FOR SAID INNER SHEET WHILE SAID SPACED APART AREAS PASS BODY LIQUID THERETHROUGH FOR RAPID ADSORPTION IN SAID CORE.
Claim 2
Dependent Claim
149 words
A DIAPER OR SIMILAR PROTECTIVE GARMENT COMPRISING, A PAIR OF RELATIVELY THIN SHEETS OF THERMOPLASTIC MATERIAL JOINED TOGETHER AND SEALED AT THEIR MARGINAL EDGES TO PROVIDE A POCKET BETWEEN THEM, A CORE OF LIQUID ADSORBING MATERIAL DISPOSED IN SAID POCKET BETWEEN THE SHEETS, ONE OF SAID SHEETS BEING LIQUID IMPERMEABLE AND ADAPTED TO BE DISPOSED OUTWARDLY FROM THE USER, THE OTHER OF SAID PLASTIC SHEETS AT LEAST IN THE AREA OF SAID CORE COMPRISING AN EMBOSSED NETWORK OF WATER IMPERMEABLE PLASTIC MATERIAL ADAPTED TO BE DISPOSED INWARDLY TOWARD THE USER, SAID NETWORK BEING DEFINED BY A PLURALITY OF SPACED APART AREAS IN THE PLASTIC SHEET WHICH ARE LIQUID PENETRABLE, EACH OF SAID SPACED APART AREAS HAVING A PLURALITY OF MINUTE PERFORATIONS DISTRIBUTED THROUGHOUT SAID AREA, SAID NETWORK PROVIDING STRUCTURAL STRENGTH FOR SAID INNER SHEET WHILE SAID SPACED APART AREAS PASS BODY LIQUID THERETHROUGH FOR RAPID ADSORPTION IN SAID CORE.
References Cited (Backward Citations)
US2899349A
Cited
US2468445A
Cited
US3012918A
Cited
US2834347A
Cited
US2970345A
Cited
US2896626A
Cited
US3004895A
Cited
US3088843A
Cited
US3095315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |