Patent US2979502A successfully refreshed from Google Patents.
US2979502A
Expired / Lapsed
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Phenthiazine derivatives
Assignee: Rhone Poulenc SA
•
Filing: 1958-05-19
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Granted: 1961-04-11
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Expires: 1978-05-19
Abstract
No abstract record available.
Inventors
- 👤 Gailliot Paul
- 👤 Baget Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:45
CPC Classifications
C; C07; C07D; C07D279/00; C07D279/10; C07D279/14; C07D279/18; C07D279/22; C07D279/24; C07D279/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
3 -CYANO - 10 -(3-(4-DIMETHYLCARBAMOYLOXYETHYL-1PIPERAZINYL)PROPYL)PHENTHIAZINE.
Claim 2
Dependent Claim
5 words
3 -CYANO - 10 -(3-(4-DIMETHYLCARBAMOYLOXYETHYL-1PIPERAZINYL)PROPYL)PHENTHIAZINE.
References Cited (Backward Citations)
US2877224A
Cited
US2860138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |