US3759261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yer diapers disposable diapers and disposable diapers with water proof la
Assignee: Individual
•
Filing: 1972-03-09
•
Granted: 1973-09-18
•
Expires: 1992-03-09
Abstract
Abstract A diaper which is capable of providing a readily visible indication when wet includes an inner layer of absorbent material, a layer carrying a printed pattern, and at least one outer layer which is of sufficient density as to conceal the printed pattern when the diaper is dry while rendering the printed pattern readily visible when the diaper is wet.
Inventors
- 👤 R Wang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:17
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/42
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
151 words
A diaper capable of providing a readily visisble indication of a wetness condition of the body underneath the diaper, comprising: a carrier layer of material, means providing at least one color on said carrier layer, and means covering said color with said color contrasting with said covering means and said covering means being of a density for rendering said color substantially invisible when said covering means is dry while rendering said color visible when said covering menas is wet, said color being dark relative to said carrier layer and said covering means including an outer layer of relatively lightcolored material overlying said dark color to mask said color when said outer layer is dry, said color being disposed in a pattern on one side of said carrier layer and being water insoluble, whereby the condition of the body beneAth the article may be readily determined upon inspection of the covering means.
Claim 2
Dependent Claim
151 words
A diaper capable of providing a readily visisble indication of a wetness condition of the body underneath the diaper, comprising: a carrier layer of material, means providing at least one color on said carrier layer, and means covering said color with said color contrasting with said covering means and said covering means being of a density for rendering said color substantially invisible when said covering means is dry while rendering said color visible when said covering menas is wet, said color being dark relative to said carrier layer and said covering means including an outer layer of relatively lightcolored material overlying said dark color to mask said color when said outer layer is dry, said color being disposed in a pattern on one side of said carrier layer and being water insoluble, whereby the condition of the body beneAth the article may be readily determined upon inspection of the covering means.
Claim 3
Dependent Claim
15 words
A diaper according to claim 1, wherein said pattern is printed on said carrier layer.
Claim 4
Dependent Claim
16 words
A diaper according to claim 2 wherein said one side of said carrier layer faces outwardly.
Claim 5
Dependent Claim
16 words
A diaper according to claim 2 wherein said one side of said carrier layer faces inwardly.
Claim 6
Dependent Claim
16 words
A diaper accroding to claim 1 wherein said covering means is fabricated of a low-density material.
Claim 7
Dependent Claim
24 words
A diaper according to claim 1 including at least one absorbent layer underlying said carrier layer and a waterproof layer overlying said covering means.
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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |