US2944383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite yarn and method of producing same
Assignee: Duplan Corp
•
Filing: 1958-10-01
•
Granted: 1960-07-12
•
Expires: 1978-10-01
Abstract
No abstract record available.
Inventors
- 👤 Charles S Lawrence
- 👤 Jr Henry M Strub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:36
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/26; D02G3/28; D02G3/283
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE573276C
Cited
US1995533A
Cited
US2199429A
Cited
US2174878A
Cited
US2203721A
Cited
US2353432A
Cited
US2811012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |