Patent US3404525A successfully refreshed from Google Patents.
US3404525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-torque multifilament compact yarn
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1966-09-01
•
Granted: 1968-10-08
•
Expires: 1986-09-01
Abstract
No abstract record available.
Inventors
- 👤 Tompkins William Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:24
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0206; D02G1/0213; D02G1/022; D02G3/00; D02G3/22; D02G3/26; D02J; D02J1/00; D02J1/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2771660A
Cited
US2952964A
Cited
US2796655A
Cited
US2777310A
Cited
US3091912A
Cited
US3035396A
Cited
US3001355A
Cited
US3069837A
Cited
US3094834A
Cited
US3041814A
Cited
US3137119A
Cited
US3196602A
Cited
US3330104A
Cited
US3292354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |