Patent US3166559A successfully refreshed from Google Patents.
US3166559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
J-lower alkoxy-x-phenyloxy-ix-hydroxy-
Assignee: —
•
Filing: —
•
Granted: 1965-01-19
•
Expires: 1982-01-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:15
CPC Classifications
C; C07; C07D; C07D221/00; C07D221/02; C07D221/22; C07D221/28; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/47; A61K31/485
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
3 - LOWER ALKOXY-4-PHENYLOXY-14-HYDROXY-N-METHYLMORPHINAN.
Claim 2
Dependent Claim
4 words
3 - LOWER ALKOXY-4-PHENYLOXY-14-HYDROXY-N-METHYLMORPHINAN.
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) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |