Patent US3004895A successfully refreshed from Google Patents.
US3004895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaper rash preventative
Assignee: Individual
•
Filing: 1959-04-17
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Granted: 1961-10-17
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Expires: 1979-04-17
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:39
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN IMPROVED DIAPER RASH PREVENTATIVE DIAPER, COMPRISING A MOISTURE ABSORBENT BABY DIAPER AND A DIAPER RASH PREVENTATIVE PAD DISPOSED WITHIN SAID DIAPER, SAID PAD COMPRISING AN ENVELOP, AT LEAST A PORTION OF WHICH IS OF LIQUID-IMPEDING MATERIAL AND AT LEAST A PORTION OF WHICH IS PERMEABLE TO THE PASSAGE OF AMMONIA GAS, AND AN AMMONIA-IMMOBILIZING AGENT DISPOSED WITHIN SAID ENVELOPE, SAID LIQUID-IMPEDING PORTION AND SAID AMMONIA GAS PERMEABLE PORTION BEING DISPOSED WITHIN SAID DIAPER IN A POSITION TO APPROXIMATE THE URINE SOURCE WHEN SAID DIAPER IS WORN.
Claim 2
Dependent Claim
87 words
AN IMPROVED DIAPER RASH PREVENTATIVE DIAPER, COMPRISING A MOISTURE ABSORBENT BABY DIAPER AND A DIAPER RASH PREVENTATIVE PAD DISPOSED WITHIN SAID DIAPER, SAID PAD COMPRISING AN ENVELOP, AT LEAST A PORTION OF WHICH IS OF LIQUID-IMPEDING MATERIAL AND AT LEAST A PORTION OF WHICH IS PERMEABLE TO THE PASSAGE OF AMMONIA GAS, AND AN AMMONIA-IMMOBILIZING AGENT DISPOSED WITHIN SAID ENVELOPE, SAID LIQUID-IMPEDING PORTION AND SAID AMMONIA GAS PERMEABLE PORTION BEING DISPOSED WITHIN SAID DIAPER IN A POSITION TO APPROXIMATE THE URINE SOURCE WHEN SAID DIAPER IS WORN.
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) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |