US3272826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted 4[piperidylidene(4')]-9, 10-dihydro-4h-benzo [4, 5] cyclohepta [1, 2-b] thiophene and the 4 piperidyl 4 ol compounds
Assignee: Sandoz AG
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Filing: 1963-08-29
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Granted: 1966-09-13
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Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 Ernst Jucker
- 👤 Anton Ebnoether
- 👤 Andre Stoll
- 👤 Jean-Michel Bastian
- 👤 Erwin Rissi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:36
CPC Classifications
C; C07; C07D; C07D409/00; C07D409/02; C07D409/04; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/24; C07D333/50; C07D333/78; C07D333/80; C07D409/06; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C07F9/547; C07F9/6553; C07F9/655345
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ANTIHISTAMINIC THIOPHENE OF THE FORMULA:
Claim 2
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ANTIHISTAMINIC THIOPHENE OF THE FORMULA:
Claim 3
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ANTIHISTAMINIC THIOPHENE OF THE FORMULA:
Claim 4
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ANTIHISTAMINIC THIOPHENE OF 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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |