Patent US3091913A successfully refreshed from Google Patents.
US3091913A
Expired / Lapsed
US
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Variable denier composite yarn
Assignee: EIDP Inc
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Filing: 1961-03-24
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Granted: 1963-06-04
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick Cromwell Field
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:55
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G1/162; D02G3/00; D02G3/22; D02G3/34; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2922; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969; Y10T428/2973; Y10T428/2976
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A MULTIFILAMENT YARN CONTAINING AT LEAST TWO GROUPS OF HIGHLY BULKED FILAMENTS, ONE GROUP COMPRISING A PLURALITY OF FILAMENTS HAVING AN EXTENSIBILITY FACTOR AT LEAST TWICE THAT OF THE REMAINING FILAMENTS, THE FILAMENTS HAVING THE HIGHER EXTENSIBILITY FACTOR BEING INTIMATELY RANDOMLY VARIABLY INTERENTANGLED WITH THE REMAINING FILAMENTS AND BEING DISTRIBUTED IN VARIABLE CONCENTRATIONS RANDOMLY ALONG THE LENGTH OF YARN.
Claim 2
Dependent Claim
59 words
A MULTIFILAMENT YARN CONTAINING AT LEAST TWO GROUPS OF HIGHLY BULKED FILAMENTS, ONE GROUP COMPRISING A PLURALITY OF FILAMENTS HAVING AN EXTENSIBILITY FACTOR AT LEAST TWICE THAT OF THE REMAINING FILAMENTS, THE FILAMENTS HAVING THE HIGHER EXTENSIBILITY FACTOR BEING INTIMATELY RANDOMLY VARIABLY INTERENTANGLED WITH THE REMAINING FILAMENTS AND BEING DISTRIBUTED IN VARIABLE CONCENTRATIONS RANDOMLY ALONG THE LENGTH OF YARN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |