Patent US2488076A successfully refreshed from Google Patents.
US2488076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyazo-dyestuffs
Assignee: Novartis AG
•
Filing: 1945-03-27
•
Granted: 1949-11-15
•
Expires: 1965-03-27
Abstract
No abstract record available.
Inventors
- 👤 Bossard Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:02
CPC Classifications
C; C09; C09B; C09B35/00; C09B35/64; C09B35/50; C09B35/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-14 | 1953-05-16 | 1953-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-14 | 1957-05-16 | 1957-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-14 | 1961-05-16 | 1961-11-15 | $7700.00 | Window Closed / Lapsed |