US3244720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Octahydro-9-acridanones
Assignee: Janssen Pharmaceuticals Inc
•
Filing: 1965-01-21
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Granted: 1966-04-05
•
Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 Meschino Joseph Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:34
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3432; C08K5/3437; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4906; A61K8/4926; A61Q; A61Q17/00; A61Q17/04; C07; C07D; C07D219/00; C07D219/04; C07D219/06; C07D219/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A MEMBER SELECTED FROM THE GROUP OF OCTAHYDRO-9ACRIDANONES HAVING THE FORMULA
Claim 2
Dependent Claim
11 words
A MEMBER SELECTED FROM THE GROUP OF OCTAHYDRO-9ACRIDANONES HAVING THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |