US3492298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxazino-benzothiazine-6,6-dioxides
Assignee: Janssen Pharmaceuticals Inc
•
Filing: 1968-02-21
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Granted: 1970-01-27
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Expires: 1988-02-21
Abstract
No abstract record available.
Inventors
- 👤 Chris Royce Rasmussen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:06
CPC Classifications
C; C07; C07D; C07D513/00; C07D513/02; C07D513/04; C07D279/00; C07D279/02; C08; C08K; C08K5/00; C08K5/36; C08K5/45; C08K5/46
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) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |