US2148205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kneading pump
Assignee: IG Farbenindustrie AG
•
Filing: 1937-07-23
•
Granted: 1939-02-21
•
Expires: 1957-07-23
Abstract
No abstract record available.
Inventors
- 👤 Kiesskalt Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:59
CPC Classifications
A; A21; A21C; A21C1/00; A21C1/06; A21C1/065; B; B01; B01F; B01F27/00; B01F27/60; B01F27/72; B01F27/721; B01F27/723; B01F27/05; B01F27/11; B01F27/114; B01F27/1143
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) | 1942-02-20 | 1942-08-22 | 1943-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-20 | 1946-08-22 | 1947-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-20 | 1950-08-22 | 1951-02-21 | $7700.00 | Window Closed / Lapsed |