US3548462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of a fiber arrangement or strand composed of staple fibers for undergoing a subsequent high draft
Assignee: Pavena AG
•
Filing: 1965-02-04
•
Granted: 1970-12-22
•
Expires: 1985-02-04
Abstract
No abstract record available.
Inventors
- 👤 Werner Naegeli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:17
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/70; D01H5/72; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2973
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2972221A
Cited
US3191375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |