US1775175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of artificial masses from casein
Assignee: IG Farbenindustrie AG
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Filing: 1927-09-12
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Granted: 1930-09-09
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Expires: 1947-09-12
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Otto
- 👤 Seydel Karl
- 👤 Meyer Egon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:31
CPC Classifications
B; B44; B44F; B44F9/00; B44F9/06; C; C08; C08K; C08K5/00; C08K5/16; C08K5/17
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) | 1933-09-08 | 1934-03-10 | 1934-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-09-08 | 1938-03-10 | 1938-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-09-08 | 1942-03-10 | 1942-09-09 | $7700.00 | Window Closed / Lapsed |