Patent US667195A successfully refreshed from Google Patents.
Patent US3620894A successfully refreshed from Google Patents.
US3620894A
Expired / Lapsed
US
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Incontinence pads
Assignee: SOUTHALLS BIRMINGHAM Ltd
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Filing: 1969-08-25
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Granted: 1971-11-16
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Expires: 1989-08-25
Abstract
Abstract An incontinence pad comprising a moisture impervious backing sheet and a moisture pervious surfacing sheet, the two sheets having layers of absorbent material therebetween, the layers of absorbent material being spiked before assembly between the sheets to produce interlocking elements which serve to retain the layers together and the backing sheet being secured to the adjacent absorbent layer by adhesive.
Inventors
- 👤 Frank Oates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:21
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/48; A61F5/485; A61F13/00; A61F13/15; A61F13/15577; A61F13/15707; A61F13/15731; A61F13/51; A61F13/515; A61F13/53; A61F13/539; A61F13/511; A61F13/514; A61F13/51401; A61F2013/51409; A61F13/534; A61F2013/53445; A61F13/537; A61F2013/53765; A61F2013/53782; A61F2013/53966; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/24339
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
38 words
An incontinence pad according to claim 1 in which the absorbent layer remote from the backing sheet is formed from cotton wool fibers, said interlocking elements being composed of cotton wool fibers extending through the remaining absorbent layers.
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) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |