US3425208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing textured yarns of cellulosic fibres
Assignee: Leesona Corp
•
Filing: 1963-10-30
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Granted: 1969-02-04
•
Expires: 1983-10-30
Abstract
No abstract record available.
Inventors
- 👤 Fred Boswell Shippee
- 👤 Guy Emmanuel Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:36
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0286; D02G1/0293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2208632A
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CH233148A
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US2403304A
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US2407105A
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US2425755A
Cited
GB710441A
Cited
FR1177996A
Cited
US2895288A
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US3116967A
Cited
US3127732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |