US993144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing ammonia.
Assignee: BASF SE
•
Filing: 1909-11-23
•
Granted: 1911-05-23
•
Expires: 1929-11-23
Abstract
No abstract record available.
Inventors
- 👤 Carl Bosch
- 👤 Alwin Mittasch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:49
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/02; C01C1/04; C01C1/0405; C01C1/0411
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) | 1914-05-22 | 1914-11-21 | 1915-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-05-22 | 1918-11-21 | 1919-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-05-22 | 1922-11-21 | 1923-05-23 | $7700.00 | Window Closed / Lapsed |