Patent US2495833A successfully refreshed from Google Patents.
US2495833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Morpholine derivatives in viscose spinning
Assignee: Atlas Powder Co
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Filing: 1948-10-26
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Granted: 1950-01-31
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Expires: 1968-10-26
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:57
CPC Classifications
D; D01; D01F; D01F2/00; D01F2/06; D01F2/08; D01F2/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
THE PROCESS FOR MANUFACTURING REGENERATED CELLULOSE ARTICLES WHICH COMPRISES EXTRUDING A VISCOSE SOLUTION THROUGH AN ORIFICE INTO A REGENERATING BATH IN THE PRESENCE OF A SMALL PROPORTION OF AT LEAST ONE COMPOUND OF THE TYPE
Claim 2
Dependent Claim
35 words
THE PROCESS FOR MANUFACTURING REGENERATED CELLULOSE ARTICLES WHICH COMPRISES EXTRUDING A VISCOSE SOLUTION THROUGH AN ORIFICE INTO A REGENERATING BATH IN THE PRESENCE OF A SMALL PROPORTION OF AT LEAST ONE COMPOUND OF THE TYPE
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) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |