US3048586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel derivatives of phenoxazine and processes for their preparation
Assignee: Sanofi Aventis France
•
Filing: 1960-03-16
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Granted: 1962-08-07
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Expires: 1980-03-16
Abstract
No abstract record available.
Inventors
- 👤 Girard Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:13
CPC Classifications
C; C07; C07D; C07D265/00; C07D265/28; C07D265/34; C07D265/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
PHENOXAZINE-2 DERIVATIVES SELECTD FROM THE GROUP CONSISTING OF (1) COMPOUNDS OF THE FORMULA:
Claim 2
Dependent Claim
13 words
PHENOXAZINE-2 DERIVATIVES SELECTD FROM THE GROUP CONSISTING OF (1) COMPOUNDS OF THE FORMULA:
References Cited (Backward Citations)
US2069670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |