Patent US3485709A successfully refreshed from Google Patents.
US3485709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acrylic nonwoven fabric of high absorbency
Assignee: EIDP Inc
•
Filing: 1966-05-16
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Granted: 1969-12-23
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Expires: 1986-05-16
Abstract
No abstract record available.
Inventors
- 👤 Franklin James Evans
- 👤 Martin R Levy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:52
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/24; D; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H1/492; D04H1/495; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24479; Y10T428/2457; Y10T428/29; Y10T428/2904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2862251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |