US3156085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous composite polyester filament yarn
Assignee: EIDP Inc
•
Filing: 1959-09-24
•
Granted: 1964-11-10
•
Expires: 1979-09-24
Abstract
No abstract record available.
Inventors
- 👤 William H Jamieson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:24
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/253; Y; Y10; Y10S; Y10S57/00; Y10S57/905; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T442/00; Y10T442/30; Y10T442/3065; Y10T442/3089
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
LINEAR POLYESTER YARN HAVING A UNIFORM APPEARANCE IN THE FORM OF DYED FABRICS COMPRISING A PLURALITY OF CONTINUOUS FILAMENTARY STRUCTURES HAVING A UNIFORM CROSS SECTION ALONG THEIR LENGTH, SAID YARN CONSISTING OF AT LEAST TWO SPECIES OF FILAMENTARY STRUCTURES HAVING DIFFERENT CROSS-SECTIONAL SHAPES, THE CROSS SECTION OF ONE OF SAID SPECIES HAVING A SHAPE FACTOR OF AT LEAST ABOUT 18, NOT MORE THAN ABOUT 75% OF ANY ONE OF SAID SPECIES BEING PRESENT IN SAID YARN, WITH THE PROVISO THAT WHEN THE CROSS SECTIONS OF SAID SPECIES HAVE ESSENTIALLY THE SAME NUMBER OF SIDES THE SHAPE FACTOR OF ONE OF SAID SPECIES BE AT LEAST 1.4 TIMES GREATER THAN THAT OF THE OTHER SPECIES.
Claim 2
Dependent Claim
114 words
LINEAR POLYESTER YARN HAVING A UNIFORM APPEARANCE IN THE FORM OF DYED FABRICS COMPRISING A PLURALITY OF CONTINUOUS FILAMENTARY STRUCTURES HAVING A UNIFORM CROSS SECTION ALONG THEIR LENGTH, SAID YARN CONSISTING OF AT LEAST TWO SPECIES OF FILAMENTARY STRUCTURES HAVING DIFFERENT CROSS-SECTIONAL SHAPES, THE CROSS SECTION OF ONE OF SAID SPECIES HAVING A SHAPE FACTOR OF AT LEAST ABOUT 18, NOT MORE THAN ABOUT 75% OF ANY ONE OF SAID SPECIES BEING PRESENT IN SAID YARN, WITH THE PROVISO THAT WHEN THE CROSS SECTIONS OF SAID SPECIES HAVE ESSENTIALLY THE SAME NUMBER OF SIDES THE SHAPE FACTOR OF ONE OF SAID SPECIES BE AT LEAST 1.4 TIMES GREATER THAN THAT OF THE OTHER SPECIES.
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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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |