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US2813098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-methoxy-n-methylmorphinan n-oxide
Assignee: Pharmacia and Upjohn Co
•
Filing: 1955-08-16
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Granted: 1957-11-12
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Expires: 1975-08-16
Abstract
No abstract record available.
Inventors
- 👤 Burris D Tiffany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:04
CPC Classifications
C; C07; C07D; C07D221/00; C07D221/02; C07D221/22; C07D221/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
2 words
3-METHOXY-N-METHYLMORPHINAN N-OXIDE.
Claim 2
Dependent Claim
2 words
3-METHOXY-N-METHYLMORPHINAN N-OXIDE.
References Cited (Backward Citations)
CH293812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |