Patent US3535315A successfully refreshed from Google Patents.
US3535315A
Expired / Lapsed
US
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Aminoalkyl derivatives of 6,11-dihydrodibenzo-(b,e)-oxepine and -thiepine
Assignee: Roche Diagnostics GmbH
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Filing: 1967-05-29
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Granted: 1970-10-20
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Expires: 1987-05-29
Abstract
No abstract record available.
Inventors
- 👤 Werner Winter
- 👤 Max Thiel
- 👤 Kurt Stach
- 👤 Wolfgang Schaumann
- 👤 Karl Dietmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:40
CPC Classifications
C; C07; C07D; C07D337/00; C07D337/02; C07D337/06; C07D337/10; C07D337/12; C07D313/00; C07D313/02; C07D313/06; C07D313/10; C07D313/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |