US3488940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for yarn crimping
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1966-07-08
•
Granted: 1970-01-13
•
Expires: 1986-07-08
Abstract
No abstract record available.
Inventors
- 👤 Parvez Naoroji Mehta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:08
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0206; D02G1/022; D02G1/0286
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2904953A
Cited
US3350488A
Cited
US3111805A
Cited
US3094834A
Cited
US3061998A
Cited
US3038240A
Cited
US3225534A
Cited
US3330896A
Cited
US3181224A
Cited
US3279163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |