US3511677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparation of a sized zero-twist synthetic fiber yarn and product thereof
Assignee: EIDP Inc
•
Filing: 1968-06-25
•
Granted: 1970-05-12
•
Expires: 1988-06-25
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Strohmaier
- 👤 Robert W Whitman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:22
CPC Classifications
D; D06; D06M; D06M23/00; D06M23/10; D01; D01F; D01F6/00; D01F6/58; D01F6/60; D02; D02J; D02J1/00; D02J1/22; D02J1/221; D06M11/00; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
Total Claims: 0
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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) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |