US3479356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5h - dibenzo (a,d)-cycloheptatriene 10 or 11-(1,2,3,6-tetrahydro-4-pyridyl) and derivatives thereof
Assignee: Rhone Poulenc SA
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Filing: 1967-02-01
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Granted: 1969-11-18
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Expires: 1987-02-01
Abstract
No abstract record available.
Inventors
- 👤 Jean Clement Louis Fouche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:11
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/28; C07D213/30; C07C; C07C57/00; C07C57/52; C07C57/58; C07C63/00; C07C63/68; C07C63/72; C07C65/00; C07C65/32; C07C65/34; C07D211/00; C07D211/04; C07D211/68; C07D211/72; C07D213/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2985660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |