US3084384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wet spinning apparatus and process
Assignee: Celanese Corp
•
Filing: 1959-07-24
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Granted: 1963-04-09
•
Expires: 1979-07-24
Abstract
No abstract record available.
Inventors
- 👤 Russell D Denyes
- 👤 John W Soehngen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:20
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A WET SPINNING APPARATUS COMPRISING A SPINNERETTE FOR EXTRUDING A FILAMENTARY MATERIAL, CONTAINING MEANS INCLUDING A FIRST PORTION SURROUNDING SAID SPINNERETTE AND A SECOND PORTION THROUGH WHICH SAID FILAMENTARY MATERIAL PASSES FROM SAID SPINNERETTE, SAID FIRST AND SECOND PORTIONS BEING SEPARATED BY A CONSTRICTION, MEANS FOR SUPPLYING A SPIN BATH TO SAID FIRST PORTION INCLUDING THE SPACE IN FRONT OF THE FACE OF SAID SPINNERETTE, A PERFORATED TUBE SURROUND-
Claim 2
Dependent Claim
69 words
A WET SPINNING APPARATUS COMPRISING A SPINNERETTE FOR EXTRUDING A FILAMENTARY MATERIAL, CONTAINING MEANS INCLUDING A FIRST PORTION SURROUNDING SAID SPINNERETTE AND A SECOND PORTION THROUGH WHICH SAID FILAMENTARY MATERIAL PASSES FROM SAID SPINNERETTE, SAID FIRST AND SECOND PORTIONS BEING SEPARATED BY A CONSTRICTION, MEANS FOR SUPPLYING A SPIN BATH TO SAID FIRST PORTION INCLUDING THE SPACE IN FRONT OF THE FACE OF SAID SPINNERETTE, A PERFORATED TUBE SURROUND-
References Cited (Backward Citations)
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Cited
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US2905968A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |