US2113960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of separating saturated and unsaturated higher aliphatic organic compounds from mixtures thereof
Assignee: FIRM EDELEANU GmbH
•
Filing: 1934-07-10
•
Granted: 1938-04-12
•
Expires: 1954-07-10
Abstract
No abstract record available.
Inventors
- 👤 Grote Wolfgang
- 👤 Moos Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:40
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/42; C07C51/48
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1941-04-11 | 1941-10-11 | 1942-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-04-11 | 1945-10-11 | 1946-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-04-11 | 1949-10-11 | 1950-04-12 | $7700.00 | Window Closed / Lapsed |