US2959838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rayon swab
Assignee: Akzo Nobel UK PLC
•
Filing: 1956-08-13
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Granted: 1960-11-15
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Expires: 1976-08-13
Abstract
No abstract record available.
Inventors
- 👤 Machenry Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:40
CPC Classifications
A; A61; A61M; A61M5/00; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2022; A61F13/2048; A61F13/2051; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T428/2905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A FIBROUS BALL FOR USE AS A SWAB COMPRISING AN OPEN, LOOSE MIXTURE OF MAN MADE, NON-ADHESIVE CELLULOSIC FIBERS AND POTENTIALLY ADHESIVE FIBERS, SAID POTENTIALLY ADHESIVE FIBERS CONSITUTING BETWEEN 5% AND 20% OF THE WEIGHT OF THE BALL, AND SAID POTENTIALLY ADHESIVE FIBERS BEING RENDERABLE ADHESIVE UPON SUBJECTION OF THE BALL TO STERILIZATION CONDITIONS NORMALLY EMPLOYED FOR STERILIZING COTTON BALLS.
Claim 2
Dependent Claim
60 words
A FIBROUS BALL FOR USE AS A SWAB COMPRISING AN OPEN, LOOSE MIXTURE OF MAN MADE, NON-ADHESIVE CELLULOSIC FIBERS AND POTENTIALLY ADHESIVE FIBERS, SAID POTENTIALLY ADHESIVE FIBERS CONSITUTING BETWEEN 5% AND 20% OF THE WEIGHT OF THE BALL, AND SAID POTENTIALLY ADHESIVE FIBERS BEING RENDERABLE ADHESIVE UPON SUBJECTION OF THE BALL TO STERILIZATION CONDITIONS NORMALLY EMPLOYED FOR STERILIZING COTTON BALLS.
References Cited (Backward Citations)
US2156455A
Cited
US2253000A
Cited
US2277049A
Cited
US2459804A
Cited
US2616428A
Cited
US2774129A
Cited
US2813051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |