Patent US2908043A successfully refreshed from Google Patents.
US2908043A
Expired / Lapsed
US
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Converting bulk filament into staple fiber
Assignee: Akzo Nobel UK PLC
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Filing: 1955-04-14
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Granted: 1959-10-13
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Expires: 1975-04-14
Abstract
No abstract record available.
Inventors
- 👤 Kenneth L Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:01
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/06; D01G1/10; D02; D02G; D02G1/00; D02G1/12; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5136; Y10T29/5137
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |