US3365872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn wrapped with surface fibers locked in place by core elements
Assignee: EIDP Inc
•
Filing: 1964-09-17
•
Granted: 1968-01-30
•
Expires: 1984-09-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick C Field
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:06
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/11; D02; D02G; D02G3/00; D02G3/22; D02G3/36; D02G3/367; D10; D10B; D10B2321/00; D10B2321/10; D10B2331/00; D10B2331/02; D10B2331/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A WRAPPED YARN COMPRISING A CORE COMPOSED OF AT LEAST TWO CONTINUOUS INTEGRAL CORE ELEMENTS OF TEXTILE FIBERS AND SURFACE WRAPPINGS COMPOSED OF DISCONTINUOUS TEXTILE FIBERS, THE SURFACE FIBERS BEING TIGHTLY TWISTED ABOUT THE CORE WITH PORTIONS OF FIBERS LOCKED INTO PLACE IN THE CORE, AND THE CORE FIBERS BEING RELATIVELY STRAIGHT AND HELD TOGETHER AS A COMPACT BUNDLE BY THE SURFACE WRAPPINGS.
Claim 2
Dependent Claim
63 words
A WRAPPED YARN COMPRISING A CORE COMPOSED OF AT LEAST TWO CONTINUOUS INTEGRAL CORE ELEMENTS OF TEXTILE FIBERS AND SURFACE WRAPPINGS COMPOSED OF DISCONTINUOUS TEXTILE FIBERS, THE SURFACE FIBERS BEING TIGHTLY TWISTED ABOUT THE CORE WITH PORTIONS OF FIBERS LOCKED INTO PLACE IN THE CORE, AND THE CORE FIBERS BEING RELATIVELY STRAIGHT AND HELD TOGETHER AS A COMPACT BUNDLE BY THE SURFACE WRAPPINGS.
References Cited (Backward Citations)
US1439166A
Cited
US2053123A
Cited
US2179087A
Cited
US2311356A
Cited
US2449595A
Cited
US2902820A
Cited
US3079746A
Cited
US3164951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |