US2698326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
S-aminomethylpyrimtoines
Assignee: —
•
Filing: —
•
Granted: 1954-12-28
•
Expires: 1971-12-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:18
CPC Classifications
C; C07; C07D; C07D411/00; C07D411/02; C07D411/04; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/32; C07D239/38; C07D239/42; C07D239/46; C07D239/47; C07D239/48; C07D239/56
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
16 words
NEW CHEMICAL COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF NEW PYRIMIDINE DERIVATIVES OF THE GENERAL FORMULA
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) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |