US3729004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baby{40 s napkin
Assignee: Individual
•
Filing: 1971-02-08
•
Granted: 1973-04-24
•
Expires: 1991-02-08
Abstract
Abstract The invention concerns a napkin to be thrown away which comprises a backing and a first impervious layer, both being provided with two apertures and located against an absorbing layer. A second impervious layer is provided in order to house this absorbing layer between said first and second impervious layers. Furthermore, the backing is provided with lateral recesses so as to conform closely to the shape of the body and around legs of a baby in order to ensure tightness between the baby''s body and the napkin.
Inventors
- 👤 G Burger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:15
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/495; A61F13/505; A61F13/56; A61F13/5605; A61F13/64
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
37 words
A napkin according to claim 1, in which the second impervious layer extends beyond the other layers and comprises means to fix it around the legs and the body of a baby as a pair of breeches.
Claim 2
Dependent Claim
21 words
A napkin according to claim 1, in which said absorbing layer has different thicknesses in two different parts of its length.
Claim 3
Dependent Claim
23 words
A napkin according to claim 1, in which the ends of the backing cooperate with a suspender to maintain the napkin in place.
Claim 4
Dependent Claim
25 words
A napkin according to claim 1, in which the first impervious layer extends beyond the other layers of the napkin and constitutes a suspender means.
Claim 5
Dependent Claim
26 words
A napkin according to claim 1, in which the second impervious layer is larger than the first impervious layer and forms with the latter a pocket.
Claim 6
Dependent Claim
38 words
A napkin according to claim 1, in which the backing is housed in an envelope constituted by the two impervious layers and comprises lateral recesses enabling the napkin to be closely fitted to the body of a baby.
Claim 7
Dependent Claim
33 words
A napkin according to claim 1, in which one of the apertures of the backing has a greater diameter than the corresponding apertures of the absorbing layer and of the first impervious layer.
References Cited (Backward Citations)
US463819A
Cited
US2277043A
Cited
US2690749A
Cited
US3221738A
Cited
US3424160A
Cited
US3563242A
Cited
US3532093A
Cited
US3559648A
Cited
US3522808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |