Patent US3357982A successfully refreshed from Google Patents.
US3357982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-(5h-dibenzo [a, d] cyclohepten-5-yl)-4-alkylpiperazines
Assignee: Koninklijke Pharmaceutische Fabrieken NV
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Filing: 1965-05-17
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Granted: 1967-12-12
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Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 Stelt Cornelis Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:28
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/13; A61K31/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A COMPOUND HAVING 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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |