US2945859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaminoquinazolines and method of
Assignee: —
•
Filing: —
•
Granted: 1960-07-19
•
Expires: 1977-07-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:47
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/70; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/505; A61K31/517
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
8 words
A COMPOUND SELECTED FROM THE CLASS CONSISTING OF
References Cited (Backward Citations)
US1817982A
Cited
US2211710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |