US3489749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyl-substituted phenothiazines
Assignee: Novartis Corp
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Filing: 1967-04-26
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Granted: 1970-01-13
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Expires: 1987-04-26
Abstract
No abstract record available.
Inventors
- 👤 Donald Richard Randell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:05
CPC Classifications
C; C09; C09K; C09K15/00; C09K15/04; C09K15/30; C10; C10M; C10M3/00; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/30; C10M2207/302; C10M2207/34; C10M2219/00; C10M2219/10; C10M2219/104; C10M2219/108; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB889341A
Cited
GB1036696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |