Patent US2665189A successfully refreshed from Google Patents.
US2665189A
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Method of treating a running blanket of staple length artificial fibers
Assignee: Akzo Nobel UK PLC
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Filing: 1949-04-12
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Granted: 1954-01-05
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Expires: 1969-04-12
Abstract
No abstract record available.
Inventors
- 👤 Charles W Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:33
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/049
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US498889A
Cited
DE226213C
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US718651A
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US989622A
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US1516593A
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US1514515A
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US1738421A
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US2386267A
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US2440399A
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US2442012A
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US2440400A
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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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |