US2898628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Melt-spinning apparatus
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1954-06-23
•
Granted: 1959-08-11
•
Expires: 1974-06-23
Abstract
No abstract record available.
Inventors
- 👤 Phipps John Wildey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:42
CPC Classifications
D; D01; D01D; D01D1/00; D01D1/04; B; B29; B29C; B29C48/00; B29C48/03; B29C48/05; B29C48/25; B29C48/36; B29C48/375; B29C48/387; B29C48/395; B29C48/397; B29C48/78; B29C48/793; B29C48/80; B29C48/83; B29C48/832; B29C48/365
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) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |