US3481130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuous ringless spinning of textile fibers in a rotating spinning chamber in which underpressure is maintained
Assignee: Vyzkumny Ustav Bavlnarsky AS
•
Filing: 1967-11-21
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Granted: 1969-12-02
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Expires: 1987-11-21
Abstract
No abstract record available.
Inventors
- 👤 Miloslav Kubovy
- 👤 Erik Jirasek
- 👤 Josef Stary
- 👤 Karel Zavadsky
- 👤 Dolni Dobrouc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:40
CPC Classifications
D; D01; D01H; D01H4/00; D01H4/04; D01H4/08; D01H4/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3126697A
Cited
GB477259A
Cited
US2853847A
Cited
US3163976A
Cited
US3328949A
Cited
US3357168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |