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US676862A
Expired / Lapsed
US
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Aromatic amido-aldehydes and process of making same.
Assignee: CF Boehringer und Soehne GmbH
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Filing: 1899-01-21
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Granted: 1901-06-25
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Expires: 1919-01-21
Abstract
No abstract record available.
Inventors
- 👤 Lorenz Ach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:10
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/68; C07D211/72; C07C; C07C213/00
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) | 1904-06-24 | 1904-12-24 | 1905-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-06-24 | 1908-12-24 | 1909-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-06-24 | 1912-12-24 | 1913-06-25 | $7700.00 | Window Closed / Lapsed |