US2096181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation products
Assignee: IG Farbenindustrie AG
•
Filing: 1933-10-24
•
Granted: 1937-10-19
•
Expires: 1953-10-24
Abstract
No abstract record available.
Inventors
- 👤 Michael Jahrstorfer
- 👤 Hans G Hummel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:19
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/46; C08G12/02; C08G12/04; C08G12/043; C08G12/046; C08G12/22
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) | 1940-10-18 | 1941-04-19 | 1941-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-10-18 | 1945-04-19 | 1945-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-10-18 | 1949-04-19 | 1949-10-19 | $7700.00 | Window Closed / Lapsed |