US3420816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of vernamycin b
Assignee: ER Squibb and Sons LLC
•
Filing: 1965-03-15
•
Granted: 1969-01-07
•
Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Miklos Bodanszky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:53
CPC Classifications
C; C07; C07K; C07K7/00; C07K7/04; C07K7/16; C07K5/00; C07K5/04; C07K5/10; C07K5/1002; C07K5/1005; Y; Y10; Y10S; Y10S930/00; Y10S930/01; Y10S930/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2990325A
Cited
US3137640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |