US3479810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of yarns for pile fabrics
Assignee: Akzona Inc
•
Filing: 1968-08-02
•
Granted: 1969-11-25
•
Expires: 1988-08-02
Abstract
No abstract record available.
Inventors
- 👤 Jannes Eshuis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:43
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/14; H02P9/38; D; D02; D02G; D02G1/00; D02G1/16; D02G1/20; D02G3/00; D02G3/22; D02G3/34; D02G3/346; D02G3/44; D02G3/445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3099064A
Cited
NL6400489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |