Patent US3483210A successfully refreshed from Google Patents.
US3483210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyzed oxidative conversion of amine methyl groups to amine formyl groups
Assignee: Individual
•
Filing: 1967-06-01
•
Granted: 1969-12-09
•
Expires: 1987-06-01
Abstract
No abstract record available.
Inventors
- 👤 David H Rosenblatt
- 👤 George T Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:56
CPC Classifications
C; C07; C07C; C07C231/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3385891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |