US2541305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of textile materials
Assignee: Celanese Corp
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Filing: 1949-06-23
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Granted: 1951-02-13
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Expires: 1969-06-23
Abstract
No abstract record available.
Inventors
- 👤 Taylor William Ivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:43
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN APPARATUS FOR THE PRODUCTION BY DRY SPINNING OF A HEAVY BUNDLE OR TOW OF CONTINUOUS FILAMENTS, SAID APPARATUS COMPRISING A VERTICAL SPINNING CELL, A PLURALITY OF RANKS OF MULTI-ORIFICE JETS IN THE UPPER PART OF THE CELL, ONE RANK WITHIN ANOTHER, EACH RANK CONSISTING OF A NUMBER OF JETS ARRANGED ROUND THE MIDDLE OF THE CELL, THE JETS OF EACH INNER RANK BEING AT A HIGHER LEVEL THAN THOSE OF THE RANK IMMEDIATELY OUTSIDE IT, AND THE TOP OF THE CELL BEING STEPPED BACK SO THAT ALL THE JETS ARE ACCESSIBLE THROUGH OPENINGS IN THE SIDES OF THE CELL, THE CELL BEING FORMED AT THE BOTTOM WITH A SPACE COMMON TO THE FILAMENTS FROM ALL SAID JETS, AND MEANS FOR COLLECTING ALL SAID FILAMENTS IN TOW FORM.
Claim 2
Independent Claim
128 words
AN APPARATUS FOR THE PRODUCTION BY DRY SPINNING OF A HEAVY BUNDLE OR TOW OF CONTINUOUS FILAMENTS, SAID APPARATUS COMPRISING A VERTICAL SPINNING CELL, A PLURALITY OF RANKS OF MULTI-ORIFICE JETS IN THE UPPER PART OF THE CELL, ONE RANK WITHIN ANOTHER, EACH RANK CONSISTING OF A NUMBER OF JETS ARRANGED ROUND THE MIDDLE OF THE CELL, THE JETS OF EACH INNER RANK BEING AT A HIGHER LEVEL THAN THOSE OF THE RANK IMMEDIATELY OUTSIDE IT, AND THE TOP OF THE CELL BEING STEPPED BACK SO THAT ALL THE JETS ARE ACCESSIBLE THROUGH OPENINGS IN THE SIDES OF THE CELL, THE CELL BEING FORMED AT THE BOTTOM WITH A SPACE COMMON TO THE FILAMENTS FROM ALL SAID JETS, AND MEANS FOR COLLECTING ALL SAID FILAMENTS IN TOW FORM.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |