Patent US3487628A successfully refreshed from Google Patents.
US3487628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Core-spun yarns,fabrics and process for the preparation thereof
Assignee: EIDP Inc
•
Filing: 1966-09-30
•
Granted: 1970-01-06
•
Expires: 1986-09-30
Abstract
No abstract record available.
Inventors
- 👤 Tibor Csok
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:57
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/32; D02G3/328
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2076270A
Cited
US2076271A
Cited
US2076273A
Cited
US2302543A
Cited
US2587117A
Cited
US3166885A
Cited
US3306081A
Cited
US3234724A
Cited
US3344597A
Cited
US3257793A
Cited
US3308615A
Cited
US3380244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |