US3457340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for uniform application of finish to polyester yarns
Assignee: EIDP Inc
•
Filing: 1966-03-25
•
Granted: 1969-07-22
•
Expires: 1986-03-25
Abstract
No abstract record available.
Inventors
- 👤 Harold E Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:49
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/58; D01F6/62; D06; D06M; D06M7/00; D06M2200/00; D06M2200/40; Y; Y10; Y10S; Y10S8/00; Y10S8/04; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2456283A
Cited
US2653113A
Cited
US2875019A
Cited
US3259681A
Cited
US3216186A
Cited
US3296063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |