US3199281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite polyester yarn of differentially shrinkable continuous filaments
Assignee: EIDP Inc
•
Filing: 1961-09-27
•
Granted: 1965-08-10
•
Expires: 1981-09-27
Abstract
No abstract record available.
Inventors
- 👤 Sidney B Maerov
- 👤 Eugene B Mccord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:26
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/18; Y; Y10; Y10S; Y10S264/00; Y10S264/75; Y10S57/00; Y10S57/908; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A COMPOSITE LINEAR CONDENSATION POLYESTER YARN COMPRISING CONTINUOUS FILAMENTS OF AT LEAST TWO SPECIES, ONE OF WHICH IS CHARACTERIZED BY A ZERO LOAD RESIDUAL SHRINKAGE IN THE RANGE OF FROM 0.0% TO ABOUT 20%, AND A RESIDUAL SHRINKAGE AT 0.05 GRAM PER DENIER LOAD OF AT LEAST ABOUT 1.2% LESS THAN THE ZERO LOAD RESIDUAL SHRINKAGE, AND THE OTHER SAID SPECIES BEING CHARACTERIZED BY A ZERO LOAD RESIDUAL SHRINKAGE AT LEAST 2% HIGHER THAN THE ZERO LOAD RESIDUAL SHRINKAGE OF THE FIRST SAID SPECIES.
Claim 2
Dependent Claim
84 words
A COMPOSITE LINEAR CONDENSATION POLYESTER YARN COMPRISING CONTINUOUS FILAMENTS OF AT LEAST TWO SPECIES, ONE OF WHICH IS CHARACTERIZED BY A ZERO LOAD RESIDUAL SHRINKAGE IN THE RANGE OF FROM 0.0% TO ABOUT 20%, AND A RESIDUAL SHRINKAGE AT 0.05 GRAM PER DENIER LOAD OF AT LEAST ABOUT 1.2% LESS THAN THE ZERO LOAD RESIDUAL SHRINKAGE, AND THE OTHER SAID SPECIES BEING CHARACTERIZED BY A ZERO LOAD RESIDUAL SHRINKAGE AT LEAST 2% HIGHER THAN THE ZERO LOAD RESIDUAL SHRINKAGE OF THE FIRST SAID 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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |