US2479744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-(n-piperidino-methyl)-indanes, their salts and preparation thereof
Assignee: CIBA PHARM PROD Inc
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Filing: 1945-03-10
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Granted: 1949-08-23
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Expires: 1965-03-10
Abstract
No abstract record available.
Inventors
- 👤 Hoffmann Karl
- 👤 Schellenberg Henri
- 👤 Miescher Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:17
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/02; C07D295/027; C07D295/03
Claims Analysis
Total Claims: 0
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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) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |