Patent US2088085A successfully refreshed from Google Patents.
US2088085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of stable and efficient foam
Assignee: IG Farbenindustrie AG
•
Filing: 1934-10-03
•
Granted: 1937-07-27
•
Expires: 1954-10-03
Abstract
No abstract record available.
Inventors
- 👤 Gross Eberhard
- 👤 Wappes Hanns
- 👤 Hilgenfeldt Bruno
- 👤 Petz Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:51
CPC Classifications
A; A62; A62D; A62D1/00; A62D1/0071; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
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) | 1940-07-26 | 1941-01-25 | 1941-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-07-26 | 1945-01-25 | 1945-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-07-26 | 1949-01-25 | 1949-07-27 | $7700.00 | Window Closed / Lapsed |