Patent US2207383A successfully refreshed from Google Patents.
US2207383A
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Apparatus for producing rayon staple fibers from continuous rayon filaments
Assignee: IG Farbenindustrie AG
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Filing: 1938-12-29
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Granted: 1940-07-09
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Expires: 1958-12-29
Abstract
No abstract record available.
Inventors
- 👤 Rodenacker Wolf
- 👤 Baumann Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:13
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/02; D01G1/04; Y; Y10; Y10T; Y10T83/00; Y10T83/485; Y10T83/494; Y10T83/727; Y10T83/739; Y10T83/768; Y10T83/7755; Y10T83/7788; Y10T83/7793; Y10T83/929; Y10T83/9372; Y10T83/9377; Y10T83/9379
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-07-09 | 1944-01-08 | 1944-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-09 | 1948-01-08 | 1948-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-09 | 1952-01-08 | 1952-07-09 | $7700.00 | Window Closed / Lapsed |