US3750669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable diapers with adhesive fastening tapes
Assignee: Georgia-Pacific LLC
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Filing: 1972-04-13
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Granted: 1973-08-07
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Expires: 1992-04-13
Abstract
Abstract The disclosure concerns disposable diapers having fastening tapes featuring adhesive end portions extending beyond a release paper covering the remainder of the adhesive face of the tape, whereby the free end of the tape may be releasably attached, during manufacture or afterwards, to the diaper to hold this otherwise free end in place until it is to be used.
Inventors
- 👤 Luca R De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:05
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/56; A61F13/58; Y; Y10; Y10T; Y10T428/00; Y10T428/14; Y10T428/1476
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
109 words
A disposable diaper comprising an absorbent pad having a backing surface and a water permeable facing surface, and tape fastener means comprising a tape strip having an inner surface and an outer surface, the inner surface of a first end portion of said tape strip being firmly secured to said backing surface, the inner surface of a second end portion of said tape strip being adhesive, and covering means overlying and releasably attached to said adhesive inner surface of said second end portion, said covering means being disposed inwardly of the outer end of said second end portion to leave exposed an end marginal portion of said adhesive surface.
Claim 2
Dependent Claim
109 words
A disposable diaper comprising an absorbent pad having a backing surface and a water permeable facing surface, and tape fastener means comprising a tape strip having an inner surface and an outer surface, the inner surface of a first end portion of said tape strip being firmly secured to said backing surface, the inner surface of a second end portion of said tape strip being adhesive, and covering means overlying and releasably attached to said adhesive inner surface of said second end portion, said covering means being disposed inwardly of the outer end of said second end portion to leave exposed an end marginal portion of said adhesive surface.
Claim 3
Dependent Claim
31 words
The disposable diaper of claim 1 wherein said second end portion of said tape strip is folded over an outer extremity of said disposable diaper and is releasably secured in place.
Claim 4
Dependent Claim
59 words
The disposable diaper of claim 1 wherein the first end of siad tape strip is secured near a longitudinal extremity of said pad and extends outwardly from a lateral extremity of said pad, said second end portion of said tape strip being folded inwardly around said lateral extremity and secured by means of said exposed adhesive marginal end portion.
Claim 5
Dependent Claim
36 words
The disposable diaper of claim 3 wherein said tape fastening means includes a pair of said tape strips extending outwardly from the opposite lateral extremities of said pad and said adhesive is a preSsure sensitive adhesive.
Claim 6
Dependent Claim
35 words
The disposable diaper of claim 4 wherein said water permeable facing surface is defined by a water permeable sheet overlying said pad and said marginal end portions are releasably secured to said water permeable sheet.
Claim 7
Dependent Claim
32 words
The disposable diaper of claim 4 wherein said backing surface is defined by a waterproof backing sheet underlying said pad and having lateral extremities folded over the lateral extremities of said pad.
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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |