US3505404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3,3-dialkyl-1-phenyl-1-indanalkylamines
Assignee: H Lundbeck AS
•
Filing: 1966-09-19
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Granted: 1970-04-07
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Expires: 1986-09-19
Abstract
No abstract record available.
Inventors
- 👤 Povl Viggo Petersen
- 👤 Villy Halfdan Hansen
- 👤 Jes Hjortkjer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:10
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/02; C07D295/027; C07D295/03; C07D295/04; C07D295/06; C07D295/073; C07D295/08; C07D295/096
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) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |