US3104450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile material
Assignee: EIDP Inc
•
Filing: 1960-01-12
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Granted: 1963-09-24
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Expires: 1980-01-12
Abstract
No abstract record available.
Inventors
- 👤 John M Christens
- 👤 Gintis Daniel
- 👤 Robert J Kirkpatrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:43
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/78; D01F6/84; C; C08; C08G; C08G63/00; C08G63/68; C08G63/688; C08G63/6884; D01F1/00; D01F1/02; D01F1/10; D01F6/58; D01F6/62; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T442/00; Y10T442/30; Y10T442/3976
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
AS AN ARTICLE OF MANUFACTURE, A DRAWN TEXTILE FIBER IN STAPLE FORM HAVING A HIGH RESISTANCE TO PILLING AND FROSTING WHEN INCORPORATED IN A TEXTILE FABRIC; SAID FIBER HAVING A TENACITY IN THE RANGE FROM ABOUT 2.8 TO ABOUT 4.2 GRAMS PER DENIER AND A BREAK ELONGATION FROM ABOUT 26% TO ABOUT 55%, SAID FIBER BEING COMPRISED OF ESTER LINKING UNITS OF A SYNTHETIC FIBER-FORMING LINEAR CONDENSATION POLYESTER OF ETHYLENE GLYCOL AND TEREPTHALIC ACID AND UP TO 8 MOL PERCENT OF OTHER ESTER LINKING UNITS HAVING INTRALINEAR CARBON AND OXYGEN ATOMS, AT LEAST 92 MOL PERCENT OF SAID POLYESTER CONSISTING OF INTRALINEAR STRUCTURAL UNITS HAVING THE FORMULA -CO-(1,4-PHENYLENE)-COO-CH2-CH2-OSAID POLYESTER HAVING A RELATIVE VISCOSITY IN THE RANGE FROM ABOUT 13.5+0.5X TO ABOUT 16.5X WHERE X IS
Claim 2
Dependent Claim
125 words
AS AN ARTICLE OF MANUFACTURE, A DRAWN TEXTILE FIBER IN STAPLE FORM HAVING A HIGH RESISTANCE TO PILLING AND FROSTING WHEN INCORPORATED IN A TEXTILE FABRIC; SAID FIBER HAVING A TENACITY IN THE RANGE FROM ABOUT 2.8 TO ABOUT 4.2 GRAMS PER DENIER AND A BREAK ELONGATION FROM ABOUT 26% TO ABOUT 55%, SAID FIBER BEING COMPRISED OF ESTER LINKING UNITS OF A SYNTHETIC FIBER-FORMING LINEAR CONDENSATION POLYESTER OF ETHYLENE GLYCOL AND TEREPTHALIC ACID AND UP TO 8 MOL PERCENT OF OTHER ESTER LINKING UNITS HAVING INTRALINEAR CARBON AND OXYGEN ATOMS, AT LEAST 92 MOL PERCENT OF SAID POLYESTER CONSISTING OF INTRALINEAR STRUCTURAL UNITS HAVING THE FORMULA -CO-(1,4-PHENYLENE)-COO-CH2-CH2-OSAID POLYESTER HAVING A RELATIVE VISCOSITY IN THE RANGE FROM ABOUT 13.5+0.5X TO ABOUT 16.5X WHERE X IS
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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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |