US3361750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Benzothiazepines
Assignee: ER Squibb and Sons LLC
•
Filing: 1963-03-21
•
Granted: 1968-01-02
•
Expires: 1983-03-21
Abstract
No abstract record available.
Inventors
- 👤 Krapcho John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:18
CPC Classifications
C; C07; C07D; C07D281/00; C07D281/02; C07D281/04; C07D281/08; C07D281/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BASES OF THE FORMULA
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BASES OF THE FORMULA
Claim 3
Dependent Claim
8 words
A PHARMACEUTICALLY-ACCEPTABLE ACID-ADDITION SALT OF 5-(N4-METHYLPIPERAZINOACETYL) - 2,3,4,5-TETRAHYDRO-2METHYL-1,5-BENZOTHIAZEPINE.
Claim 4
Dependent Claim
8 words
A PHARMACEUTICALLY-ACCEPTABLE ACID-ADDITION SALT OF 5-(N4-METHYLPIPERAZINOACETYL) - 2,3,4,5-TETRAHYDRO-2METHYL-1,5-BENZOTHIAZEPINE.
References Cited (Backward Citations)
US3029251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |