US3078248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of extruding fibers from a molten polyamide containing a phosphorous compound
Assignee: EIDP Inc
•
Filing: 1959-06-16
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Granted: 1963-02-19
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Expires: 1979-06-16
Abstract
No abstract record available.
Inventors
- 👤 Victor R Ben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:49
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/08; C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5313; D01F; D01F1/00; D01F1/02; D01F1/10; D01F6/00; D01F6/58; D01F6/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
IN A PROCESS FOR THE FORMATION OF A FILAMENTARY STRUCTURE OF A SYNTHETIC LINEAR FIBER-FORMING POLYAMIDE CONTAINING IN THE MAIN POLYMER CHAIN A PREPONDERANCE OF RECURRING STRUCTURAL UNITS OF THE FORMULA
Claim 2
Dependent Claim
31 words
IN A PROCESS FOR THE FORMATION OF A FILAMENTARY STRUCTURE OF A SYNTHETIC LINEAR FIBER-FORMING POLYAMIDE CONTAINING IN THE MAIN POLYMER CHAIN A PREPONDERANCE OF RECURRING STRUCTURAL UNITS OF THE FORMULA
References Cited (Backward Citations)
US2510777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |