US1985687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oiling and dressing fibers
Assignee: IG Farbenindustrie AG
•
Filing: 1930-11-13
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Granted: 1934-12-25
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Expires: 1950-11-13
Abstract
No abstract record available.
Inventors
- 👤 Nuesslein Joseph
- 👤 Ulrich Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:45
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/0036; C; C08; C08B; C08B13/00; C08B13/02; C08B9/00; D01; D01F; D01F2/00; D01F2/24; D01F2/28; D01G; D01G29/00; D06M; D06M13/00; D06M13/322; D06M13/368; D06M13/402; D06M15/00; D06M15/01; D06M15/03; D06M15/05; D06M15/09; D06M7/00; C09; C09K; C09K23/00; D06M2200/00; D06M2200/40; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/31504; Y10T428/31725
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) | 1937-12-24 | 1938-06-25 | 1938-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-12-24 | 1942-06-25 | 1942-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-12-24 | 1946-06-25 | 1946-12-25 | $7700.00 | Window Closed / Lapsed |