Patent US2522532A successfully refreshed from Google Patents.
US2522532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaper
Assignee: Pollux Trust
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Filing: 1946-01-24
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Granted: 1950-09-19
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Expires: 1966-01-24
Abstract
No abstract record available.
Inventors
- 👤 Muller Jeanette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:54
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/53; A61F13/534; A61F13/535
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A DISPOSABLE DIAPER COMPRISING AN UPPER LAYER FORMED OF AN OUTER LAYER OF WADDING ON A LAYER OF PAPER, AN ABSORBENT, EASILY DESTRUCTIBLE PAPER LAYER BELOW SAID UPPER LAYER, A BOTTOM ABSORBENT CELLULOSIC LAYER, AND A RELATIVELY NONABSORBENT LAYER BETWEEN THE BOTTOM LAYER AND THE NEXT UPPER LAYER, AND RELATIVELY NON-ABSORBENT LAYER BEING OF SMALLER AREAS THAN THE ABSORBENT LAYERS, SO THAT THE ABSORBENT LAYERS ARE IN DIRECT CONTACT WITH EACH OTHER AT THE MARGIN OF THE DIAPER.
Claim 2
Dependent Claim
78 words
A DISPOSABLE DIAPER COMPRISING AN UPPER LAYER FORMED OF AN OUTER LAYER OF WADDING ON A LAYER OF PAPER, AN ABSORBENT, EASILY DESTRUCTIBLE PAPER LAYER BELOW SAID UPPER LAYER, A BOTTOM ABSORBENT CELLULOSIC LAYER, AND A RELATIVELY NONABSORBENT LAYER BETWEEN THE BOTTOM LAYER AND THE NEXT UPPER LAYER, AND RELATIVELY NON-ABSORBENT LAYER BEING OF SMALLER AREAS THAN THE ABSORBENT LAYERS, SO THAT THE ABSORBENT LAYERS ARE IN DIRECT CONTACT WITH EACH OTHER AT THE MARGIN OF THE DIAPER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |