US2959839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear condensation polymer fiber
Assignee: EIDP Inc
•
Filing: 1955-05-18
•
Granted: 1960-11-15
•
Expires: 1975-05-18
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:44
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/253; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T428/2913; Y10T428/2973; Y10T428/2975; Y10T442/00; Y10T442/30; Y10T442/3065; Y10T442/3089; Y10T442/3114; Y10T442/3976
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
FIBER COMPOSED OF LINEAR CONDENSATION POLYMER AND CHARACTERIZED BY TRANSVERSE CROSS SECTION HAVING AN
Claim 2
Dependent Claim
14 words
FIBER COMPOSED OF LINEAR CONDENSATION POLYMER AND CHARACTERIZED BY TRANSVERSE CROSS SECTION HAVING AN
References Cited (Backward Citations)
US2152826A
Cited
US2337969A
Cited
US2387791A
Cited
US2333699A
Cited
US2443200A
Cited
US2386173A
Cited
US2517694A
Cited
US2504330A
Cited
US2703433A
Cited
US2637893A
Cited
US2677148A
Cited
US2715763A
Cited
US2831748A
Cited
US2796656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |