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US2584043A
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Method and apparatus for processing filamentary materials
Assignee: Akzo Nobel UK PLC
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Filing: 1945-06-20
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Granted: 1952-01-29
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Expires: 1965-06-20
Abstract
No abstract record available.
Inventors
- 👤 Louis A Oberly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:07
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D10/0481; D01D10/02; Y; Y10; Y10S; Y10S264/00; Y10S264/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1837159A
Cited
US2142909A
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US2371579A
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US2398856A
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US2360352A
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US2428681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |