Patent US3149114A successfully refreshed from Google Patents.
US3149114A
Expired / Lapsed
US
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New derivative of tetracycline and process for the preparation thereof
Assignee: D'ETUDES DE RECHERCHES ET D'APPLICATIONS SCIENTIFIQUES ET MEDICALES E R A S M E Ste
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Filing: 1960-03-29
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Granted: 1964-09-15
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Expires: 1980-03-29
Abstract
No abstract record available.
Inventors
- 👤 Gradnik Boris
- 👤 Pedrazzoli Andrea
- 👤 Cipelletti Gianmario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:59
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |