US3339359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinning chamber for removing impurities from fibers
Assignee: Individual
•
Filing: 1966-12-19
•
Granted: 1967-09-05
•
Expires: 1986-12-19
Abstract
No abstract record available.
Inventors
- 👤 Ripka Josef
- 👤 Lanta Jiri
- 👤 Chrtek Milan
- 👤 Trebova Ceska
- 👤 Marsalek Milan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:56
CPC Classifications
D; D01; D01H; D01H4/00; D01H4/04; D01H4/08; D01H4/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A SPINNING APPARATUS, IN COMBINATION, A ROTARY SPINNING CHAMBER HAVING AN OUTWARDLY FLARING ANNULAR INNER SURFACE HAVING A NARROWER END AND A WIDER END; FIBER INLET MEANS COMMUNICATING WITH SAID ROTARY SPINNING CHAMBER AT SAID NARROWER END OF SAID INNER SURFACE FOR PLACING FIBERS CONTAINING IMPURITIES ON SAID INNER SURFACE SO THAT SAID FIBERS AND IMPURITIES TRAVEL ON THE SAME TOWARD SAID WIDER END DUE TO THE ACTION OF THE CENTRIFUGAL FORCE; DISCHARGE MEANS COMMUNICATING WITH SAID ROTARY SPINNING CHAMBER AT SAID WIDER END OF SAID INNER SURFACE;
Claim 2
Dependent Claim
89 words
IN A SPINNING APPARATUS, IN COMBINATION, A ROTARY SPINNING CHAMBER HAVING AN OUTWARDLY FLARING ANNULAR INNER SURFACE HAVING A NARROWER END AND A WIDER END; FIBER INLET MEANS COMMUNICATING WITH SAID ROTARY SPINNING CHAMBER AT SAID NARROWER END OF SAID INNER SURFACE FOR PLACING FIBERS CONTAINING IMPURITIES ON SAID INNER SURFACE SO THAT SAID FIBERS AND IMPURITIES TRAVEL ON THE SAME TOWARD SAID WIDER END DUE TO THE ACTION OF THE CENTRIFUGAL FORCE; DISCHARGE MEANS COMMUNICATING WITH SAID ROTARY SPINNING CHAMBER AT SAID WIDER END OF SAID INNER SURFACE;
References Cited (Backward Citations)
US2911783A
Cited
GB477259A
Cited
US2928228A
Cited
US3210923A
Cited
US3163976A
Cited
US3115001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |