US1029528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of absorbing oxids of nitrogen.
Assignee: BASF SE
•
Filing: 1909-06-22
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Granted: 1912-06-11
•
Expires: 1929-06-22
Abstract
No abstract record available.
Inventors
- 👤 Carl Bosch
- 👤 Hans Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:10
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/54; B01D53/56
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) | 1915-06-11 | 1915-12-11 | 1916-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-06-11 | 1919-12-11 | 1920-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-06-11 | 1923-12-11 | 1924-06-11 | $7700.00 | Window Closed / Lapsed |