US3075986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
(1-piperdidylalkyl) derivatives of 3-indole
Assignee: Rhone Poulenc SA
•
Filing: 1959-01-02
•
Granted: 1963-01-29
•
Expires: 1979-01-02
Abstract
No abstract record available.
Inventors
- 👤 Jacob Robert Michel
- 👤 Fouche Jean Clement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:35
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A MEMBER OF THE CLASS CONSISTING OF INDOLE DERIVATIVES OF THE FORMULA:
Claim 2
Dependent Claim
12 words
A MEMBER OF THE CLASS CONSISTING OF INDOLE DERIVATIVES OF THE FORMULA:
References Cited (Backward Citations)
US2804462A
Cited
US2708197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |