US2545786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
S-methoxyquinoxaline-l
Assignee: —
•
Filing: —
•
Granted: 1951-03-20
•
Expires: 1968-03-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:18
CPC Classifications
C; C07; C07D; C07D241/00; C07D241/36; C07D241/38; C07D241/40; C07D241/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
5-METHOXYQUINOXALINE-1,4-DI-N-OXIDE.
Claim 2
Dependent Claim
1 words
5-METHOXYQUINOXALINE-1,4-DI-N-OXIDE.
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) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |