US3506530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible non-woven needled fabrics and methods of making them
Assignee: ICI Fibres Ltd
•
Filing: 1966-03-16
•
Granted: 1970-04-14
•
Expires: 1986-03-16
Abstract
No abstract record available.
Inventors
- 👤 David Winston Crosby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:27
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H1/498; D04H11/00; D04H11/08; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23957; Y10T428/23979; Y10T442/00; Y10T442/60; Y10T442/608; Y10T442/627; Y10T442/659; Y10T442/666; Y10T442/667
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-13 | 1973-10-13 | 1974-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-13 | 1977-10-13 | 1978-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-13 | 1981-10-13 | 1982-04-14 | $7700.00 | Window Closed / Lapsed |