US3131187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain z-guantoino-x-aryl-quinazolines
Assignee: —
•
Filing: —
•
Granted: 1964-04-28
•
Expires: 1981-04-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:47
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/70; C07D239/72; C07D239/78; C07D239/84; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/505; A61K31/517; C07D239/86; C07D239/94; C07D239/95; C07D401/00; C07D401/02; C07D401/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
13 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
AU5954160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |