US3559649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary napkin
Assignee: Procter and Gamble Co
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Filing: 1967-12-20
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Granted: 1971-02-02
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Expires: 1987-12-20
Abstract
Abstract A sanitary napkin comprising an absorbent pad enwrapped by a fluid pervious outer cover treated with a fluid-repellent material along areas overlying the side edges and side marginal portions of the top face of the pad, the treated areas being permeable to air. The fluid-repellent treatment material contains a fluorescent indicator substance and imparts an AATCC spray rating of about 100 to the treated areas.
Inventors
- 👤 Martin Grad
- 👤 Darrel D Kokx
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:28
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/47; A61F13/475; A61F13/4751; A61F13/4755; A61F13/51; A61F13/511; A61F13/513; A61F13/51305; A61F13/42; A61F2013/51059; A61F2013/51061; A61F13/514; A61F13/51401; A61F2013/51409
Claims Analysis
Total Claims: 0
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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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |