Patent AT93967B successfully refreshed from Google Patents.
Patent US3512232A successfully refreshed from Google Patents.
US3512232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing twistless yarns
Assignee: Deering Milliken Research Corp
•
Filing: 1966-11-23
•
Granted: 1970-05-19
•
Expires: 1986-11-23
Abstract
No abstract record available.
Inventors
- 👤 Edgar Dare Bolinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:50
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2454830A
Cited
US2527329A
Cited
US2521055A
Cited
US2638734A
Cited
US2743194A
Cited
US2834704A
Cited
US2946180A
Cited
US3068151A
Cited
US3099907A
Cited
US3167468A
Cited
US3151439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |