Patent US3014237A successfully refreshed from Google Patents.
US3014237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinneret
Assignee: EIDP Inc
•
Filing: 1957-03-25
•
Granted: 1961-12-26
•
Expires: 1977-03-25
Abstract
No abstract record available.
Inventors
- 👤 Alvin L Breen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:43
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/28; D01D5/30; D01D5/34; Y; Y10; Y10S; Y10S264/00; Y10S264/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US253822A
Cited
FR776961A
Cited
US2177633A
Cited
US2269459A
Cited
US2360680A
Cited
US2440761A
Cited
US2632202A
Cited
US2571457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |