US3444682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tow treatment for preparation of high-bulk yarns
Assignee: ACSA APPLIC CHIMICHE SpA
•
Filing: 1966-08-09
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Granted: 1969-05-20
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Expires: 1986-08-09
Abstract
No abstract record available.
Inventors
- 👤 Ezio Polacco
- 👤 Francesco Denti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:22
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/20; D02; D02G; D02G1/00; D02G1/18; D02J; D02J1/00; D02J1/22; D02J1/225; D02J1/226; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T428/2913; Y10T428/2973; Y10T428/2976
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2296394A
Cited
US2917779A
Cited
US2952116A
Cited
US3017684A
Cited
US3116197A
Cited
US2975474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |