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Patent US2974363A successfully refreshed from Google Patents.
US2974363A
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US
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Method of and apparatus for the continuous production of synthetic fibers
Assignee: Individual
•
Filing: 1954-07-02
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Granted: 1961-03-14
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Expires: 1974-07-02
Abstract
No abstract record available.
Inventors
- 👤 Meyer Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:25
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D10/0481; D01D5/00; D01D5/06; D01F; D01F2/00; D01F2/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2685626A
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US2108285A
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US2565935A
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US2348415A
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US2440057A
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US2516157A
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US2481197A
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US2539980A
Cited
US2614289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |