US3149159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted 7-aminoalkylbicyclo-[4. 2. 0] octa-1, 3, 5-trienes
Assignee: Smith Kline & French Laboratories Ltd
•
Filing: 1962-04-16
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Granted: 1964-09-15
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Kaiser Carl
- 👤 Charles L Zirkle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:33
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/18; C07D211/20; C07D211/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A CHEMICAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF A FREE BASE AND ITS SALTS WITH PHARMACEUTICALLY ACCEPTABLE ACIDS, SAID FREE BASE HAVING THE FORMULA:
Claim 2
Dependent Claim
25 words
A CHEMICAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF A FREE BASE AND ITS SALTS WITH PHARMACEUTICALLY ACCEPTABLE ACIDS, SAID FREE BASE HAVING THE FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |