US3299053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel 1-and/or 4-substituted alkyl 5-aromatic-3h-1, 4-benzodiazepines and benzodiazepine-2-ones
Assignee: F Hoffmann La Roche AG
•
Filing: 1964-02-11
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Granted: 1967-01-17
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Expires: 1984-02-11
Abstract
No abstract record available.
Inventors
- 👤 Giles A Archer
- 👤 Fryer Rodney Ian
- 👤 Reeder Earl
- 👤 Sternbach Leo Henryk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:35
CPC Classifications
A; A61; A61K; A61K31/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
11 words
A COMPOUND SELECTED FROM THE GROUPCONSISTING OF COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
11 words
A COMPOUND SELECTED FROM THE GROUPCONSISTING OF COMPOUNDS OF THE FORMULA
Claim 3
Dependent Claim
5 words
7-HALO-1-(DI-LOWER ALKYLAMINO-LOWER ALKY) -5 -PHENY1-3H-1,4-BENZODIAZEPIN-2(1H)-ONE.
Claim 4
Dependent Claim
5 words
7-HALO-1-(DI-LOWER ALKYLAMINO-LOWER ALKY) -5 -PHENY1-3H-1,4-BENZODIAZEPIN-2(1H)-ONE.
References Cited (Backward Citations)
US3109843A
Cited
US3121076A
Cited
US2461038A
Cited
US2532292A
Cited
US2576106A
Cited
US2687414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |