US2907769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
11-methoxy-17alpha-cyano-16beta-methoxy carbonyl-20-alpha-yohimbane compounds
Assignee: Laboratoires Francais de Chimiotherapie SA
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Filing: 1958-04-11
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Granted: 1959-10-06
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Expires: 1978-04-11
Abstract
No abstract record available.
Inventors
- 👤 Muller Georges
- 👤 Marne Nogent Sur
- 👤 Bardoneschi Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:27
CPC Classifications
C; C07; C07D; C07D459/00; C07C; C07C255/00; C07C255/45; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/14; C07D209/16; C07D471/00; C07D471/12; C07D471/14; C07D493/00; C07D493/02; C07D493/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
THE 11-METHOXY-17A-CYANO-16B-METHOXY CARBONYL20A-YOHIMBANE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
7 words
THE 11-METHOXY-17A-CYANO-16B-METHOXY CARBONYL20A-YOHIMBANE COMPOUND OF THE FORMULA
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) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |