US800913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of nitrating aromatic amins.
Assignee: Agfa Gevaert NV
•
Filing: 1904-09-30
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Granted: 1905-10-03
•
Expires: 1924-09-30
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Herzberg
- 👤 Eduard Thon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:39
CPC Classifications
C; C07; C07C; C07C311/00; C07C311/15; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/36; C07D213/42
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) | 1908-10-02 | 1909-04-03 | 1909-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-10-02 | 1913-04-03 | 1913-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-10-02 | 1917-04-03 | 1917-10-03 | $7700.00 | Window Closed / Lapsed |