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US3299139A
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US
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5-(3'-dimethylaminopropylidene)-dibenzo [a, d]-cyclohepta-[1, 4]-diene nu-oxide and hydrochloride thereof
Assignee: Xellia Pharmaceuticals ApS
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Filing: 1964-02-14
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Granted: 1967-01-17
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Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Pedersen Jphirgen Brix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:45
CPC Classifications
C; C07; C07C; C07C291/00; C07C291/02; C07C291/04
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |