US3366635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aza-5h-dibenzo-[a,d]-(cycloheptenes and cycloheptene-5-ones) and the corresponding 10, 11-dihydro derivatives thereof
Assignee: Merck Sharp & Dohme LLC
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Filing: 1963-12-13
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Granted: 1968-01-30
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Expires: 1983-12-13
Abstract
No abstract record available.
Inventors
- 👤 Frank J Villani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:44
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; A; A61; A61K; A61K31/00; C07D213/24; C07D213/44; C07D213/46; C07D213/50; C07D213/53; C07D213/54; C07D213/57; C07D213/60; C07D213/78; C07D213/79; C07D213/81; C07D213/84; C07D213/89; C07D221/00; C07D221/02; C07D221/04; C07D221/06; C07D221/16; C07D491/00; C07D491/02; C07D491/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A COMPOUND OF THE GROUP CONSISTING OF AZA-5H-DIBENZA-(A,D)-CYCLOHEPTENES HAVING A TRICYCLIC NUCLEUS REPRESENTED BY THE FOLLOWING STRUCTURAL FORMULA:
Claim 2
Dependent Claim
18 words
A COMPOUND OF THE GROUP CONSISTING OF AZA-5H-DIBENZA-(A,D)-CYCLOHEPTENES HAVING A TRICYCLIC NUCLEUS REPRESENTED BY THE FOLLOWING STRUCTURAL 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) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |